List of cross-generational references

This article contains fan speculation.
There is no solid evidence for or against some parts of this article.

The nine generations of Pokémon games, taking place in the same world, have had multiple references to each other. Not only do the games reference their same-generation counterparts (with the player's default name being the version played and the rival's being the counterpart version in the first two generations), but games released later in the series typically will feature references to events of past generations.

This does not include Pokémon. While Pokémon released in previous generations will always appear, they are not a reference to the generation itself.

List of references

Generation II

References to Generation I

Not only is the Kanto region a playable area during the games, but several of the events of Generation I are spoken of as having happened three years prior. Many characters also reappear because of this, though some of them undergo design changes.
Red, the player character of the first games, is found training in Mt. Silver and can be battled.
Blue, the rival character of the first games, has become the Gym Leader of Viridian City. His team is based on the Pokémon he used in the final battle in Pokémon Red and Blue.
A man in the Violet City Pokémon Center states that the former Team Rocket was broken up by a "young kid."
The parents of the Copycat in Saffron City mention that her Clefairy Doll was given to her by a boy three years before.
The Berserk Gene, a held item, is found near the former entrance of the now-collapsed Cerulean Cave, where Mewtwo once hid.
There is a Pokémon doll of a Surfing Pikachu available to decorate the room, which references the Pikachu's Beach minigame in Pokémon Yellow.
A man in Cerulean City says there used to be a cave near the city with powerful Pokémon.
If the player checks the poster in the Celadon Game Corner, the player will be informed that there's nothing there, referring to the secret switch under the poster in Generation I.
The master of the Saffron City Fighting Dojo, Kiyo, can be found and battled in Mt. Mortar. Like Koichi in Generation I, he gives the player a Fighting-type Pokémon upon defeating him.
In a Celadon City restaurant, a woman says that no one will give the player a Coin Case here and that they should look in Johto. A man in the same place gives a Coin Case in Generation I.

Generation III

References to Generation I

Brawly is said to have once trained alongside Bruno, who is a member of Kanto's Elite Four. Also, both of them are Fighting-type Pokémon users.
The Oceanic Museum in Slateport City has two water samples on the top floor, one of which is from Kanto (though this reference is removed in Emerald). Its background music theme is also an arrangement of the S.S. Anne theme.
- There is also a miniature scale model of the S.S. Anne on the top floor of the Oceanic Museum.
In Lanette's house, there is a computer displaying e-mails from Bill about the Pokémon Storage System.
On Faraway Island, a series of smudged messages, which may have been left by Mr. Fuji, appear on a signpost.
A boy in Lilycove City says that he and his family came from the Kanto region before he asks if there are any Pokémon found only in this area.
In the Victory Road in Kanto, there is a small crater where Moltres used to be.

References to Generation II

In Pokémon Ruby and Sapphire, the player character is said to have moved at the beginning of the game with their family from the Johto region, the main setting of the Generation II games. In Pokémon Emerald, the character who said this instead states that the player character's family moved there from a faraway place.
The internal data of Pokémon Ruby and Sapphire contains remastered versions of the themes played on Routes 38 and 39, Goldenrod's Radio Tower Takeover, Legendary beasts' battle, and Saffron City.
The Oceanic Museum in Slateport City has two water samples, one of which is from Johto (though this reference is removed in Emerald).
A man in Mt. Moon says that Brock sometimes helps excavate Fossils there. This explains how he acquires the Kabutops and Omastar which he uses in Generation II.
At the Cerulean Cape, a dame says Misty has high hopes about the location, which is known as a famous dating spot. In the Generation II games, she is first encountered there with an unknown male character.
Janine, Koga's daughter and future Leader of Fuchsia Gym, appears in Fuchsia City, and tells the player that she is training to use Poison Pokémon like her father. She is misnamed as Charine in the English translation of Pokémon FireRed and LeafGreen, however.
The branch of Team Rocket and its admin in the Sevii Islands seems to be the same branch which attempted to revive Team Rocket during Generation II, with plans to use magnetic waves to evolve Pokémon. Scientist Gideon also claims that Giovanni's child has red hair, a reference to Silver.
One of Professor Oak's assistants will state that he is to get a radio show sometime in the near future.
Celio mentions that some members of Bill's family live in Goldenrod City.
A woman on Two Island in Bruno's section of the Fame Checker mentions the RageCandyBar.
A child in Indigo Plateau in Lance's section of the Fame Checker says he has a cousin who is a Gym Leader somewhere far away.
Whitney, Jasmine and Pryce lookalikes appear as audience members in Pokémon Contests.
The man who digs Three Isle Path and gives the player a Nugget says that he'd like to buy a house in Kanto. He may be the same person who gives away a Nugget in Generation II in his house on Route 2.
The themes used on the Sevii Islands are remastered versions of the routes around Mahogany Town as well as remastered versions of Violet/Olivine City and Azalea Town/Blackthorn City.

Generation IV

References to Generation I

Professor Rowan is said to have developed the Sinnoh Pokédex with help from a Pokémon Professor from Kanto.
Professor Oak himself comes to Sinnoh to give the player the National Pokédex, and can always be found in a house in Eterna City thereafter. He gives the player an Up-Grade, which was sent to Oak by his acquaintance from Kanto.
In the gate east of Canalave City is a guard who complains that he is thirsty, like the guards in Kanto who will allow the player to enter Saffron City if they are brought a drink. Unlike those guards, however, this one does not do anything if brought a drink.
One of the Elite Four, Bertha, shares a similar name (in Japanese and English) and design to Agatha. It is possible they are related, or that Bertha was at least modeled after Agatha.
Black Belt Eddie from Victory Road mentions that he trained at the Fighting Dojo in Saffron City.
In Amity Square, some Pokémon may be let out of their Poké Balls to follow their Trainer around. One of the few available is Pikachu, which did the same (however, throughout the game) in Pokémon Yellow.
Bebe's friend Bill is mentioned to have developed the basic storage system.
Part of the Veilstone Game Corner music theme is a techno remix of the Rocket Game Corner music theme.
One of Lucas's alternate names was Ash in the English versions of Pokémon Diamond and Pearl. This is one of the default names of Red in the games Red, Blue, Yellow, FireRed, and LeafGreen. It may even be a reference to the animated series's first main character.

As a direct tribute to the original games, one of the wallpapers is designed to resemble the design of the routes of the first games, complete with the graphics and sprites when the games are played on the Game Boy. The wallpaper showcases typical features like both types of fences, low and high grass, normal ground, a signpost and a house.
When visiting the Villa, Roark wonders if he could make the Underground extend to Kanto and Johto.
As Pokémon HeartGold and SoulSilver are remakes of Pokémon Gold and Silver, the references present in the original games to Generation I return.
During a special Celebi event, the player will travel back in time to shortly after Red has defeated Giovanni. Giovanni tells his son that he has decided to disband Team Rocket. Afterwards, he will run towards the Johto region and is found in a cave at Tohjo Falls. When the player defeats him, he will make a remark that the player reminds him of the boy that made him disband the team in the first place.
In Pokémon HeartGold and SoulSilver, a man mentions that Professor Oak once said there were 150 Pokémon, the amount known during Generation I, although there are now over 400.

References to Generation II

A news report of a red Gyarados begins Pokémon Diamond and Pearl. The cameraman who filmed the documentary appears at the Survival Area.
- In Pokémon Platinum, the game instead begins with a report about Professor Rowan. However, the cameraman from the red Gyarados report is seen blocking the entrance to Lake Valor, hoping to get a shot of the Legendary Pokémon said to live there.
A man who gives the player a Happiny Egg in Hearthome City says that Professor Elm announced that Eggs kept with a Trainer will eventually hatch.
Jasmine, one of Johto's Gym Leaders, appears to give the player HM07 (Waterfall) and participates in Sinnoh's Pokémon Super Contests.
A man in Valor Lakefront states that he would like to see a silver-colored Pokémon that resides in the Whirl Islands, a rainbow-colored Pokémon that resides in the Tin Tower, and Clefairy dancing in Mt. Moon sometime during his life.
A Ninja Boy on Route 210 near Celestic Town says he wants to train with a ninja Gym Leader in a faraway land.
Dragon Tamer Hayden on Route 224 mentions that he left the Dragon's Den several years ago.
The Poké Ball design on the floor of the Sinnoh Pokémon Centers is colored gold and silver. Park Balls are also colored gold and silver, and the normally black stripe in the middle is actually a light blue, crystal-like color.
Dragon Tamer Geoffrey on Route 225 mentions a Dragon Tamer Champion.
The Eevee which Bebe gives to the player was obtained originally from her friend in Johto.
Cynthia gives the SecretPotion, the medicine from Cianwood City that cured Amphy in Generation II, to the player to cure the group of Psyduck blocking Route 210.
When visiting the Villa, Roark wonders if he could make the Underground extend to Kanto and Johto.
In Stargazer Colosseum in Pokémon Battle Revolution, some of the Pokémon in the last battle depend on which game is linked to the Wii. If Pokémon Diamond is linked, one of the Pokémon is Ho-Oh, Gold's game mascot, and if Pokémon Pearl is linked, one of the Pokémon is Lugia, Silver's game mascot.
When a Shiny Clefairy appears during a slot game in Veilstone Game Corner, a remixed version of Mt. Moon Square music theme from Pokémon Gold, Silver, and Crystal is played.
In Pokémon Platinum, one of the women in the basement floor of the Veilstone Department Store mentions that the store is sold out of RageCandyBars, the local specialty in Mahogany Town.
In Pokémon HeartGold and SoulSilver, the Gym guide of Vermilion Gym states that the Gym's traps were temporarily out of order, a reference to Pokémon Gold, Silver, and Crystal.
In the Pokégear's description of Cerulean Cave, it states that the cave had collapsed before it was reconstructed, referencing how the cave was sealed off in the original Johto games.
A Hiker in the Route 3 Pokémon Center states that the Pokémon Center didn't exist when he was climbing the mountain, which is only true in Generation II.
In Pokémon HeartGold and SoulSilver, the man at Indigo Plateau mentions that nobody uses his Abra to Teleport home anymore (which it used to do in Generation II) since they usually Fly to and from instead.

References to Generation III

A man in Hearthome City, who says he is from the Hoenn region, will show the player to the Contest Hall, a feature originally introduced in Hoenn.
A man in Valor Lakefront states that he would like to see a rocket launch from the Space Center in Mossdeep City sometime during his life.
If the player helps a woman at the Hotel Grand Lake find her lost Suite Key, in Diamond and Pearl, she will reward them with a Lava Cookie, a specialty of Hoenn. In Platinum, the reward was changed to a White Flute, which are likewise also made in Hoenn.
A Swimmer south of the Valor Lakefront says she would like to vacation in Hoenn because it has more routes on which to Surf.
A woman west of Pastoria City used to work at the Weather Institute of Hoenn and will give out weather-changing TMs for Shards.
An old woman living at the base of Stark Mountain acts in the same way that another woman does on Route 111 in Hoenn, insisting that the player keep healing their Pokémon with her. They both also live just north of a sandstorm-ridden desert.
A Swimmer north of Sunyshore City wishes to visit Hoenn's seas.
A Socialite in the Seven Stars Restaurant will occasionally mention the sauce of her dish was made from spicy Cheri Berries with a Hoenn-style recipe.
Bird Keeper Audrey on Route 225 says she was born in Hoenn.
A woman in the Battle Tower claims to have been from Hoenn, where another Battle Tower resides. In Pokémon Platinum, her reference could mean either the Battle Tower itself or the Battle Frontier that is present in Hoenn.
A catalog in Rad Rickshaw's Cycle Shop in Eterna City advertises the Acro Bike and Mach Bike.
In Stargazer Colosseum in Pokémon Battle Revolution, some of the Pokémon in the last battle depend on which game is linked to the Wii. If Diamond is linked, one of the Pokémon is Kyogre, Sapphire's game mascot, and if Pearl is linked, one of the Pokémon is Groudon, Ruby's game mascot.
The fourteen foreign Pokédex entries in Pokémon Diamond and Pearl are all from the respective translated versions of Pokémon LeafGreen.
In Pokémon Platinum, the Adamant Orb and Lustrous Orb are required to summon Dialga and Palkia, much like the Red Orb and Blue Orb were required to summon Groudon and Kyogre.
Primo, who can be found in the Violet City Pokémon Center, previously appeared as Poké Dude on Pokémon FireRed and LeafGreen's Teachy TV.
When the player first encounters Bill in the Ecruteak City Pokémon Center, he will mention that Lanette from Hoenn helped him develop the Pokémon Storage System.
In Pokémon HeartGold and SoulSilver, many buildings and lengths of most Routes and areas in Kanto are heavily based on Generation III Kanto rather than Generation II Kanto. Furthermore, many areas and other aspects not present in the Generation II Kanto have returned in order to resemble the Generation III Kanto more closely.
Mr. Pokémon is said to have gotten the Red Orb^SS or Blue Orb^HG from a friend in Hoenn.
Steven, Hoenn's Champion, is present in Vermilion City, and will speak of a strange Hoenn-native Pokémon that has been reported roaming Kanto.
- He also appears in the Silph Co. building in Saffron City after the player defeats Red and gives the player one of the Hoenn first partner Pokémon.
The Embedded Tower, which houses the super-ancient Pokémon, is said to have been built by people from Hoenn.
When the player battles the Frontier Brains in Pokémon Platinum, a remix of Pokémon Emerald's Frontier Brain theme can be heard.

Generation V

References to Generation I

Blue's theme as Kanto Champion is remixed in the final battles of official competitions.
After a Swimmer in Undella Bay is defeated, he claims he will challenge the Gym Leaders all over the world. He then asks where he can find Water-type Gyms, asking for confirmation that they're in Kanto, Hoenn, and Sinnoh.
A Black Belt in the Icirrus Gym says that he trained in a Fighting Dojo in Kanto.
According to one of the Plasma Grunts in N's Castle, "Team Galactic and Team Rocket drew too much attention to themselves. That's why their plans were thwarted."
An Ace Trainer aboard the Royal Unova mentions that she is from the Kanto region.
A female Swimmer in Humilau City references Misty by her Gym Leader title, "Tomboyish Mermaid".
A Lady in Humilau City references a Youngster on Kanto Route 3 when she says "This dress is comfy and easy to wear..."
Shauntal references Agatha in a quote from her novel during the player's post-National Pokédex challenge. She also references Bertha and notes the similarity in appearance between the two.
Sabrina appears as a Movie Star at Pokéstar Studios.
The Gym Leaders of Kanto (excluding Koga) can be battled at the Pokémon World Tournament. Blue also works as Kanto's representative in the Champions Tournament.

References to Generation II

Shauntal mentions the Silver Wing and the Rainbow Wing in one of her conversations at Caitlin's Villa. These are the main items used to summon Lugia and Ho-Oh, respectively.
The lone Team Rocket Grunt who stole the Machine Part from the Kanto Power Plant is revealed to live in Unova. He says that while he had planned to revive Team Rocket, soon after returning home he fell in love and then married.
The RageCandyBar returns. The wife of the ex-Team Rocket Grunt, as well as Professor Juniper, gives the RageCandyBar to the player. The wife mentions that the candy is the favorite sweet of one of her husband's past coworkers in Team Rocket.
Team Rocket's Radio Tower takeover theme can be heard in the Game Freak headquarters in Castelia City.
Zorua is said to have waited for Celebi for a long time.
According to one of the Team Plasma Grunts in N's Castle, "Team Galactic and Team Rocket drew too much attention to themselves. That's why their plans were thwarted."
A Clerk aboard the Royal Unova mentions that he came from Johto for a business trip.
A Lass on Skyarrow Bridge describes the trucks rounding the bend with onomatopoeia, calling it the dialect of Goldenrod City.
Janine and the Gym Leaders of Johto can be battled at the Pokémon World Tournament. Lance and Red also work as Johto's representatives in the Champions Tournament.
Before being battled at the Pokémon World Tournament, Norman mentions how he used to live in Olivine City before moving to Petalburg City.

References to Generation III

A man in the Desert Resort will mention that he doesn't need Go-Goggles to go through the sandstorm there, a reference to how they were needed to do so in Hoenn. In Pokémon Black 2 and White 2, he also mentions the Mirage Tower.
Some of the music themes, such as N's final battle theme, the Team Plasma battle theme, and the Elite Four theme have segments of Hoenn themes in them.
The Riches, the family who offers their own battle challenge to the player, may be compared to the Winstrate family in Pokémon Ruby, Sapphire, and Emerald.
Returning to the former HM Dive, which is required to access Abyssal Ruins, may be paralled with the underwater in Hoenn.
In Undella Town, two residents that reside there during the summer mention that they came from the Hoenn region for a vacation. One of them also mentions Steven Stone.
A Hiker in Clay Tunnel mentions that the soil here is similar to the soil in the Hoenn region.
In Pokémon Black 2 and White 2, in Icirrus City, there is a married couple that used to be members of Team Magma and Team Aqua.
When the player obtains the Bicycle, the sprite is that of Acro Bike, rather than the normal one.
The Pokémon Emerald Gym Leaders of Hoenn can be battled at the Pokémon World Tournament. Steven and Wallace also work as Hoenn's representatives in the Champions Tournament.
Before fighting Norman in the Pokémon World Tournament, he will mention having been beaten by his child, referencing Brendan or May's victory over him in Pokémon Ruby, Sapphire, and Emerald.

References to Generation IV

In Nacrene Gym, the book called "Sweets for Pokémon" describes Poffins and mentions that they are made in the Sinnoh region.
Caitlin of the Battle Castle appears as an Elite Four member in Unova. She references her prior inability to battle, and mentions the Battle Castle's presence in Sinnoh and Johto.
Looker appears in search of the Seven Sages of Team Plasma. He is absent in Pokémon Black 2 and White 2, but Shauntal mentions him as part of one of the novels she is writing.
Cynthia will meet the player at Caitlin's Villa in Undella Town after getting the National Pokédex. The player will be able to battle her in Spring and Summer.
- In addition to this, after defeating her in a battle for the first time, she will mention that the player looked like the Trainer who faced Giratina.
According to one of the Plasma Grunts in N's Castle, "Team Galactic and Team Rocket drew too much attention to themselves. That's why their plans were thwarted."
Shauntal mentions the Distortion World in one of her conversations at Caitlin's Villa. She states that the only Pokémon living in the Distortion World was spectacular.
Before her rematch, Shauntal quotes a line about Volkner, which comes from her novel. In Pokémon Black 2 and White 2, she also mentions Volkner's close friend in another line from her novel.
A man who gives away Fossils every day at Twist Mountain said that when the player looks carefully and digs at the walls of empty places like caves, the player will find many different kinds of items such as Fossils, a possible reference on how the player can dig up different kinds of items, especially Fossils, at the Sinnoh region's Underground.
Ace Trainer Henry aboard the Royal Unova mentions that he is from the Sinnoh region.
Upon meeting Skyla for the first time, she tells Cedric, "you're talking as if places like Kanto and Sinnoh are right around the corner!"
In Lentimas Town, a Hiker mentions Stark Mountain. Both it and the nearby Reversal Mountain are where Heatran reside. The Magma Stone also appears as a Key Item needed to awaken the Legendary Pokémon.
In the Strange House, the player can find books talking about Darkrai and Cresselia, as well as collect the Lunar Wing, which can be used to encounter Cresselia at the Marvelous Bridge.
The Cave of Being is said to be connected to Sinnoh. The music used in the cave is Lake Caverns from Pokémon Diamond, Pearl, and Platinum, and entering the cave after entering the Hall of Fame will cause the lake guardians to appear and fly off to various locations around Unova for the player to find and catch.
In Pokémon Black 2 and White 2, Crasher Wake appears on Route 18, much like how he appeared on Route 47 in Pokémon HeartGold and SoulSilver, singing his theme song.
On board the Plasma Frigate, a Team Plasma Grunt mentions that he used to be part of Team Galactic.
In Pokémon Black 2 and White 2, a show on the Variety channel mentions that Aaron used to be a Bug Catcher and a Gym Leader before joining the Sinnoh Elite Four.
Shauntal references Bertha in a quote from her novel during the player's post-National Pokédex challenge. She also references Agatha and notes the similarity in appearance between the two.
After defeating her in battle, Shauntal says she wants her novels to be full of heart and soul.
A lady at Village Bridge references the Pokéathlon as a very popular competition in Johto.
After defeating a Pokémon Ranger at Route 11, he considers training by standing under a waterfall, referencing Chuck's training method in HeartGold and SoulSilver.
The Gym Leaders of Sinnoh can be battled at the Pokémon World Tournament. Cynthia also works as Sinnoh's representative in the Champions Tournament.

Generation VI

References to Generation I

The layout of Santalune Forest is an almost exact copy of Viridian Forest.
Several moves originating from Generation I, including Psychic and Hyper Beam, use their original sound effects.
Professor Sycamore gives new Trainers one of the three Kanto first partner Pokémon.
Cassius in Camphrier Town mentions how Bill sent him there to work with the PC.
A Youngster on Route 5 will mention that he likes to wear shorts because "they are comfy and easy to wear."
A sleeping Snorlax is blocking Route 7, and the Poké Flute is required to awaken and get past it.
A remix of the wild Pokémon battle music from Generation I plays when battling Mewtwo and the legendary birds, using exactly the same instrumentation as that of the Game Boy music. The remix also contains the boulder pushing sound effect from Generation I.
An NPC at Magenta Plaza mentions that Professor Oak's grandson visited Kalos to study abroad, and would frequently end conversations with "Smell ya later!" However, she also says that he got "bonjour" down just fine, which is how he greeted the player while aboard the S.S. Anne.
A Battle Girl in the Fighting Dojo on the third floor of a building at North Boulevard mentions that her sensei came all the way from the Kanto region to open a Fighting Dojo.
A male NPC in the Lumiose Museum mentions that he and a group of other people are on an info-gathering trip from Kanto.
Lysandre Labs is a high-tech facility inhabited by a villainous team where the player needs to use spin tiles and warp panels to navigate around, much like the Silph Co. and the Team Rocket Hideout.
The Unknown Dungeon uses the same name as the Cerulean Cave in Generation I. Also, both of these locations are the only places in their respective games where Mewtwo can be encountered. Additionally, an NPC blocks the entrance of each Unknown Dungeon until the player becomes the Champion, both NPCs tell the player exactly the same thing if they interact with them, and mysteriously vanish after their conditions are met.
The Poké Ball Factory in Laverre City shares many similarities to Silph Co.. In both cases, an evil team (Team Rocket or Team Flare) infiltrates the facility, and thwarting them rewards a Master Ball. However, Team Rocket's goal is to steal the plans for the Master Ball, whereas Team Flare apparently wants to steal Poké Balls. Another similarity is that in both cases, the event happens in the sixth town that rewards the player with a Badge (Saffron City or Laverre City).
A female NPC in Restaurant Le Nah says she is from Kanto.
An old male NPC in Mauville City, who tells the player that he was born in Sinnoh, also tells that his son lives in Kanto.
A Backpacker in Lilycove City's Contest Spectacular Trainer Fan Club says he came all the way from Kanto to see Lisia.
A stone in a vitrine in Steven's house is from Rock Tunnel.
A sample of water from Kanto is on display at the Oceanic Museum.

References to Generation II

The Furfrou chase puzzle at the Parfum Palace is similar to the Farfetch'd chase puzzle in the Ilex Forest.
Unlike with other Pokémon, while Surfing on a Lapras, the Pokémon gains an alike overworld sprite. Whenever Surf was used outside of battle in Generation II, the overworld sprite of Lapras was used.
Gym Leader Valerie is said to be from Johto.
A painting of Ecruteak City appears in the Lumiose Museum.
A female NPC in Kiloude City says that she is preparing a Cinnabarian hamburger steak. This is a reference to the Cinnabar Volcano Burger that was the player's mother's specialty in Johto.
Like in the original games, the player character and his/her family are originally from the Johto region in Pokémon Omega Ruby and Alpha Sapphire.
A stone in a vitrine in Steven's house is from Mt. Mortar.
The Oceanic Museum contains a water sample from the Johto region.
Two Rage Candy Bars can be found at the Trick House during one of the puzzles.
A girl in Sootopolis City tells that dedicated fans flock there "from as far away as Kanto and Johto" for "the coolest Water-type Gym Leader".
When the Magnemite Croquette line in Mauville Food Court becomes available, a boy will note that the dish uses specially made sauce from Johto when entering for the first time.
If the player has Volcanion in their team, the head of TV Mauville can show them secret TV specials made about it. One of these specials takes place in Johto.

References to Generation III

A Swimmer in Azure Bay claims that he swam to Kalos from the Hoenn region.
A painting of Mr. Briney and Peeko appears in the Lumiose Museum.
A little girl in Laverre City will mention that her uncle is from Hoenn when spoken to.
A Tourist will mention the hot springs in Lavaridge Town when spoken to.
An old woman on the second floor of Hotel Richissime mentions that the 40th and 45th wedding anniversaries are the ruby and sapphire anniversaries, respectively, while her husband next to her mentions that their first date was at the Oceanic Museum.
When the player can't afford a ride on the Lumiose City cab, one of the Drivers will say when defeated, "Now I won't even have a copper to send back to my family in Hoenn..."
A woman staying at Hotel Richissime on the fifth floor during the bed making job compares it to the Resort Gorgeous on the Sevii Islands.
The introduction of Pokémon Omega Ruby and Alpha Sapphire reflects to the original games, including the music.
The DexNav interface resembles to the layouts from the original Pokémon Ruby and Sapphire. It also uses the original tileset.
A Bug Catcher tells the player that he "heard that Pokémon Centers used to have two stories until 10 years ago" and had "a special area known as the Pokémon Cable Club". The last game to utilise this feature, Pokémon Emerald, was first released in 2004, 10 years before the remakes were released.
In the Rustboro Gym and the Treasure Hunter's house, a display of the map of Hoenn from Pokémon Ruby and Sapphire by Midori Harada is seen.
A man at Mt. Pyre mentions how there used to be holes in the floor, a thing that was true in Generation III.
When the player shows Norman the Eon Ticket, he says that it has been 11 years since he last saw the ticket. Eon Ticket was originally distributed in 2003, 11 years before the remakes' release.
Mirage Island is referenced in Route 130's description on the AreaNav, which describes its nature. Although Mirage Islands appear in different parts of Hoenn, none appear on that route.
The Battle Frontier in Pokémon Emerald is referenced several times at the Battle Resort. A man in Battle Maison will mention Scott and the Pike Queen. Another NPC will say to the player that the Battle Resort is planned to be replaced by the Battle Frontier in the future. There is also a model of the Battle Tower on top of the hill.
The pattern the triangular object at the end of the Delta Episode darts around before Deoxys emerges is in the same pattern of the Birth Island puzzle from Pokémon FireRed, LeafGreen, and Emerald.
The Primal Pokémon battle theme contains small bits of the original super-ancient Pokémon battle theme from Generation III.
The music that plays inside the Sky Pillar is a remix of the theme that plays when Rayquaza appears to stop the battle between Groudon and Kyogre in Sootopolis City in Pokémon Emerald.
During the Delta Episode, Wallace battles the player with his Champion team from Pokémon Emerald. In addition, during the cutscene at the end of the Delta Episode, Steven is seen requesting Wallace to take his place as Champion when he one day leaves the Pokémon League to travel the world, referring to their respective roles in Emerald.
When Lisia is talked to after defeating her and her uncle Wallace in a Pokémon Contest, she mentions that Wallace has a mentor named Juan, who appears in Pokémon Emerald to replace Wallace as the Leader of Sootopolis Gym after Wallace becomes the Champion.
Wattson mentions that New Mauville used to be locked up normally before its current, more technological locking system. This is a reference to how, in Ruby, Sapphire, and Emerald, the player required the Basement Key to enter New Mauville, instead of the new method, which doesn't involve obtaining an item.
If the player has Volcanion in their team, the head of TV Mauville can show them secret TV specials made about it. The head of the expeditions featured in these specials is Brandon, a famous explorer and the Frontier Brain of the Battle Pyramid from Pokémon Emerald.
In Pokémon Super Mystery Dungeon, several characters from Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team appear, such as Team A.C.T., Whiscash, Ninetales, and Absol. Elements from those games are also mentioned by them, and the player is able to visit the continent where the games were set.

References to Generation IV

Drasna of the Elite Four claims her grandparents moved to Kalos from a city where the past lives on in a faraway region, and that they raised her on the stories of the Pokémon of time and space.
Looker returns as the main character of a post-game side story and at one point compares his assets to the size of Mt. Coronet. He also appears in Hoenn in the Battle Resort, suffering from amnesia.
Paintings of the Sinnoh Battle Frontier and the Sinnoh Underground appear in the Lumiose Museum.
An NPC in Snowbelle City will play a remixed version of the music from Jubilife City when spoken to.
A Maid who wanders between hotels will eventually trade the player an Eevee from Sinnoh, referring to it as "Mr. Backlot's Pokémon". The Eevee's OT is "Elena" (Japanese: ヘレン Helen), the name of one of the Maids in the Pokémon Mansion in Pokémon Platinum.
A male Scientist on the second floor of Professor Sycamore's lab in Lumiose City says that Sycamore studied under Professor Rowan in Sinnoh when he was younger.
Lumiose City's layout bears a strong resemblance to the logo of the Battle Frontier in Generation IV.
An NPC in Cyllage City's Hotel Cyllage says, "When Pokémon evolve, they seem to release some new kind of energy," a near word-for-word reference to one of Rowan's quotes from Pokémon Diamond, Pearl, and Platinum. In those games, after the player defeats two Team Galactic grunts in Jubilife City, Rowan says: "When Pokémon evolve, they seem to release some type of energy," using "type" instead of "new kind." The Hotel Cyllage NPC then credits Rowan as the person who told him that.
A female NPC in Snowbelle City Pokémon Center tells the player about a long-standing tradition in the Sinnoh region where people give Gracidea flowers to each other as a sign of appreciation. She will also give the player a Gracidea flower if the player shows her a Shaymin. A male NPC in the Berry Master's house on Route 123 will make a similar reference and give a Gracidea to the player under the same conditions.
The Oceanic Museum contains a water sample from the Sinnoh region.
An old male NPC in Mauville City tells the player that he was born in Sinnoh.
A painting in Lilycove Museum depicts Giratina in "an odd landscape with bizarre and fantastic scenery". Another painting depicts Arceus.
A stone in a vitrine in Steven's house is from Mt. Coronet.
A letter found at Sea Mauville mentions the loss of an Odd Keystone donated by the Oreburgh Mine. After reading the letter, it is possible to encounter a Spiritomb in the same room.
Two Old Gateaux can be found at the Trick House during one of the puzzles.
On Route 115, Ruin Maniac Hayes mentions having visited some ruins in the Sinnoh region.
If the player has Volcanion in their team, the head of TV Mauville can show them secret TV specials made about it. One of these specials takes place in Sinnoh.
In Pokémon Super Mystery Dungeon, several characters from Pokémon Mystery Dungeon: Explorers of Time, Darkness, and Sky appear, such as Wigglytuff's Guild members, Grovyle, Celebi, Dusknoir, and Duskull. Elements from those games are also mentioned by them, and the player is able to visit the continent where the games were set.
- The Gastrodon couple from the WiiWare Pokémon Mystery Dungeon games also appears in Pokémon Super Mystery Dungeon, mentioning their past profession of appraising Treasure Boxes.

References to Generation V

A Tourist eating outside of a café in Lumiose City mentions having visited the café in Striaton City.
Statues of Reshiram and Zekrom can be found in the courtyard of Parfum Palace. Two Tourists in the courtyard explain that the two Pokémon are Legendary Pokémon of the Unova region, and that Kalos and Unova must have been in contact with each other.
A Hiker found at the Ambrette Town Fossil Lab, who gives the player the four Drives if shown a Genesect, says that he got the Drives from an acquaintance of his in the Unova region.
At the Ambrette Town Fossil Lab, there are two skulls on display that resemble the Dragon Skull from the Nacrene Gym.
A Backpacker on Route 10 mentions that Colress told him that the big rocks on that route emit some kind of special energy.
In Shalour City, a Worker reveals that the Hiker who gives the player a Sun Stone in the same city likes ferris wheels and has finally found true love. This is likely a reference to Hiker Andy, who can ride the Rondez-View Ferris Wheel with the player in Nimbasa City.
A male Ace Trainer in Coumarine City will play a remix of the song "An Unwavering Heart" from Generation V when spoken to.
A Beauty in Coumarine City explains that Dr. Fennel of the Unova region created Game Sync.
A female Scientist in Coumarine City mentions that Pokémon dream when they're tucked in with Game Sync.
A Lass in Coumarine City explains that Triple Battles and Rotation Battles got their start in the Unova region.
A male Pokémon Breeder in the Magenta Plaza Pokémon Center mentions Team Plasma "making news a while back in the Unova region".
A Waitress on the first floor of the building containing the Fighting Dojo asks about the whereabouts of The Riches, before mentioning that she's looking for Master Miles.
A woman on the first floor of the building containing the Fighting Dojo mentions that she recently moved from a very rural part of Unova.
Paintings of both Castelia City and the Battle Subway appear in the Lumiose Museum.
One of the items that the player may be asked to find during the lost-and-found job in Hotel Richissime is a Brycen-Man Figure.
A Tourist at the Lumiose Station mentions how the trains at the station are completely different from the subways in Unova, where she comes from.
A Monsieur in the Stone Emporium says, "Ore, ore, ore... Ores that I adore! Ah, this is where you should laugh..." This heavily implies he's the ore maniac who can be found in Icirrus City, as he says the same thing when talked to for the first time.
A Fairy Tale Girl on Route 14 says that she can't wait to finish reading Shauntal's new book.
Sky Trainer Clara on Route 16 says that her hometown is Mistralton City.
According to the television show "Gym Freaks", Wulfric is a fan of the Brycen-Man Series, and Clemont is secretly saving up money to visit the amusement park in the Unova region.
An Ace Trainer at the Lumiose Museum mentions that his partner learned the move Dragon Tail in the Village of Dragons.
A globe in Wally's house has a pin stuck in the place of Unova.
A Scientist at the Devon Corporation tells the player that he's working on a machine that can visualize a Pokémon's dreams, and mentions that a rival of his is working on a similar project in the Unova region.
The Oceanic Museum contains a water sample from the Unova region.
Aarune tells the player upon meeting him that he is originally from the Unova region.
An old male NPC in Mauville City, who tells the player that he was born in Sinnoh, also tells that his great-grandson is "off dreaming in Unova".
A Backpacker in Mauville City mentions he is from Castelia City.
A stone in a vitrine in Steven's house is from Chargestone Cave.
A model of then-unfinished Royal Unova can be found at the Oceanic Museum.
Two Casteliacones can be found at the Trick House during one of the puzzles.
A man in Pacifidlog Town mentions how he once dreamed of playing at the Big Stadium. He also gives the player TM56 (Fling).
A model of Castelia City is available as a Secret Base decoration in the Lilycove Department Store rooftop sale.
When first met in the Granite Cave, Zinnia talks to the player about truths and ideals, referencing to Reshiram and Zekrom, respectively.
A Backpacker in the basement of S.S. Tidal mentions that he is from Unova.
In Pokémon Super Mystery Dungeon, several characters from Pokémon Mystery Dungeon: Gates to Infinity appear, such as Virizion, Victini, Munna, Hydreigon, Emolga, Dunsparce, Umbreon, and Espeon. Elements from that game are also mentioned by them, and the player is able to visit the continent where the game was set.

References to Generation VII

A Backpacker that can be found in one of the various hotels in Kalos speaks about the region he is from, separate from the regions of the first five generations. He also gives the player a Strange Souvenir. This is so far the only direct reference to a future generation seen within the core series.

Generation VII

References to Generation I

The player character in Pokémon Sun and Moon and Pokémon Ultra Sun and Ultra Moon and their family have moved to Alola from the Kanto region.
Red and Blue make an appearance at the Battle Tree in Alola.
Heahea City was said to be formed by people who traveled from Kanto and Johto long, long ago and came together in the Alola region.
A Sightseer in Heahea City says that he wants to document all the differences between Diglett's Tunnel in Alola and Diglett's Cave in Kanto.
A poster within the Geothermal Power Plant on Blush Mountain talks about the Kanto Power Plant. It also goes on to say that the Legendary Pokémon Zapdos appeared there once.
An NPC at Aether Paradise mentions that her group is there to study how things are done there, and compares it to how things are done at the Safari Zone in Fuchsia City.
Malie Garden is colloquially called "Nugget Garden" and has its own Nugget Bridge along with a similar challenge of battling a number of Trainers on it. The Trainers even use the same Pokémon and lines dialogue as the Trainers on the original Nugget Bridge in Pokémon Red and Blue.
An NPC at Aether Paradise mentions that the PC Boxes for Pokémon Storage System were developed by Bill in the Kanto region. He adds that Bill is "apparently a real Pokémon maniac".
In Sun and Moon, Lillie takes Lusamine to see Bill in the chance he could help make Lusamine better after she got bonded with Nihilego after hearing about how Bill got combined with a Pokémon.
A woman in the Hau'oli City Mall next to a poster says "Hey! Under this poster... There's nothing! Of course there's no switch, silly!", referencing the secret switch under the poster in the Rocket Game Corner that gave access to the Team Rocket Hideout.
Professor Kukui tells the player about his travels in the Kanto region and how he challenged the Pokémon League there.
One phrase that the player may receive from the Johto Tent at the Festival Plaza is "You better have Burn Heal!" This line is also spoken by Blaine before his Gym battle.
In Ultra Sun and Ultra Moon, the player has an autograph from Lt. Surge in their room.
In Ultra Sun and Ultra Moon, Malie City houses the Kantonian Gym, which is modeled after the Gym in Vermilion City. Defeating the Leader of the Gym rewards the player with a Surge Badge, a reference to the Thunder Badge and the Gym Leader who hands it out, Lt. Surge.
When encountered on Route 9 in Ultra Sun and Ultra Moon, Looker mentions that there have been reported sightings of the infamous Pokémon mafia in Alola. This also foreshadows the events of the post-game.
The woman selling fossils in Olivia's jewelry shop in Konikoni City mentions that Olivia brought the Dome and Helix Fossils to Alola from the Kanto region.
A Black Belt on Mount Lanakila mentions how he and his fellow Black Belts next to him are from the Fighting Dojo.
Team Rocket makes a return as Team Rainbow Rocket, with Giovanni once again as its leader. Giovanni also uses a Mewtwo to battle the player.
Giovanni's battle theme in Team Rocket's Castle contains remixed bits of the Team Rocket Hideout theme.
In Ultra Sun and Ultra Moon, Gladion travels to Kanto and Johto to train. When he returns during the post-game, he uses the fully evolved form of a Kanto first partner Pokémon.
In Pokémon Quest, the player is accompanied by a drone named MoBee IV, which is mentioned to have been manufactured by the Silph Co.
Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! are modified remakes of Pokémon Yellow.
In Cerulean City, one of the Bicycles on display at the Bike Maniac's house is described to be a limited edition Bicycle that was popular a while ago and costs $1,000,000, referring to the Bicycle in Generation I that cost this amount and was thus unbuyable.
In Vermilion City, a man with a Farfetch'd nicknamed Dux mentions how he's planning to go catch a Spearow soon, referencing the Generation I in-game trade where the player can trade a Spearow for a Farfetch'd named Dux in the same city.
In Celadon City, a Team Rocket Grunt ponders the possibility of making more money with the Game Corner if they offered Pokémon in exchange for Coins, which is how the Game Corner functions in Generation I.
The logo of the Rocket Game Corner features a Porygon, whose Master Trainer is also found in the same location during the post-game. These are references to the Rocket Game Corner's Prize Exchange being the only method to obtain Porygon in Generation I.
After being defeated, Punk Guy Hideo on Route 16 mentions that he and his friends used to ride their bikes up and down the road a long time ago, referring to Route 17's status as the Cycling Road in previous generations, as well as to the fact that the Punk Guys in Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! are modeled after the Generation I Bikers.
- This is further referenced by Gentleman Orson on Route 17, who, after being defeated, mentions how the route used to be called the Cycling Road before it was converted into the Pokémon Road.
When the player visits Professor Oak's Laboratory after defeating the first seven Gyms, Professor Oak pretends to have forgotten Blue's name and asks what it is, referencing the opening of the Generation I games, where he asks the player the same question.
After being defeated, Lance briefly jokes that Professor Oak will be the player's final battle at the Pokémon League, alluding to the scrapped battle against Professor Oak in the Generation I games.

References to Generation II

Heahea City was said to be formed by people who traveled from Kanto and Johto long, long ago and came together in the Alola region.
Malie City was also said to be formed by people from Johto settling in Alola.
Malie Garden also has a lake inside of it in the shape of a Gyarados, an allusion to the Lake of Rage in Johto.
A Sightseer in Malie City mentions that she is from Johto and finds it odd that people in Alola don't use Fly to travel, before giving the player the TM for the move.
Lana mentions having reeled in a Red Gyarados once. In the end, she was just trying to trick the player into believing her.
A poster within the Geothermal Power Plant on Blush Mountain mentions the Kanto Power Plant and how a Machine Part being stolen from there once put the entire plant out of operation, referencing the post-game events of the Johto games.
On Mount Lanakila, Professor Kukui mentions facing the Indigo League and how tough the battle with Lance was. Lance was the Champion of the Indigo League in the Generation II games and their remakes.
The player is able to obtain one Apricorn Ball each per game. These are the special Poké Balls that Kurt makes by hand in the Johto region. In Ultra Sun and Ultra Moon, the player can also receive one of each Apricorn Ball from a Game Freak employee in Heahea City by showing him a Pokémon from a Virtual Console version of a Generation II game.
A Rage Candy Bar is given to the player in Pokémon Center Cafés when buying a drink for the first time on Tuesdays.
When Moomoo Milk is purchased at a Pokémon Center Café, the man running the café can sometimes mention the Goldenrod City Gym Leader Whitney, saying that her Miltank supposedly produces high quality Moomoo Milk.
In Ultra Sun and Ultra Moon, Gladion travels to Kanto and Johto to train.
In Ultra Sun and Ultra Moon, a Gentleman in the Akala Ferry Terminal in Heahea City mentions Kurt and the rare GS Ball, claiming that its name stands either for the "greatest smith's ball" or "Gold-Silver Ball".
In Detective Pikachu, Mewtwo is mentioned to possess the Berserk Gene, which was also a Generation II-exclusive item heavily related to Mewtwo. It is used to make a drug called "R", which temporarily boosts a Pokémon's power while also causing them to go berserk, referencing the Berserk Gene's effect of boosting a Pokémon's Attack upon consumption, while also confusing it.
After Giovanni has been defeated at the Viridian Gym and he's left to train alone, Blue takes charge of the Gym himself, just like he had done in Generation II. In addition, when he's challenged for a rematch during the post-game, he mentions how he's planning to remodel the Gym, which he's seen to have done in Generation II.
After being defeated in a rematch, Sabrina mentions how she won't be facing another challenger like the player for three years, referencing the three-year gap in-between the events of the Kanto and Johto games and her future battle against the Johto player character, whose arrival she claims to have foreseen three years in advance when met in Generation II.
After being defeated in a rematch, Koga mentions how he has plans to join the Elite Four, which he's accomplished by the time of the Johto games. From the second rematch onward, he will also mention his daughter before the battle.
From the second rematch onward, Blaine mentions that the Cinnabar Volcano is being active lately in his pre-battle dialogue. In addition, a news flyer at the Cinnabar Pokémon Center warns people of the possibility of a volcanic eruption. These are references to the eruption of the Cinnabar Volcano, which occurs before the events of Generation II and devastates most of Cinnabar Island.

References to Generation III

Wally makes an appearance at the Battle Tree in Alola.
A Scientist at Vast Poni Canyon mentions that his idol is Professor Birch.
Lana jokes that Kyogre could be found in Brooklet Hill's waters.
Anabel appears in the post-game as a member of the International Police and Looker's superior. She is mentioned to have "protected some tower" in the Hoenn region and having been a powerful Trainer, referring to her status as the Frontier Brain of Hoenn's Battle Tower in Pokémon Emerald. She can also be found at the Battle Tree, another battle facility, where she mentions the location making her feel nostalgic.
When examining the shelves in Thrifty Megamart on Royal Avenue, the player is informed that the shop has a sale on shipping-damaged Lava Cookies.
A Lava Cookie is given to the player in Pokémon Center Cafés when buying a drink for the first time on Saturdays.
While describing Hypno, Ilima mentions how "the Pokédex from a distant land says that the arching movement and glitter of its pendulum lulls its foes into a deep state of hypnosis", referencing Hypno's Pokédex entry from Pokémon Ruby and Sapphire.
The woman selling fossils in Olivia's jewelry shop in Konikoni City mentions that Olivia brought the Root and Claw Fossils to Alola from the Hoenn region.
In Ultra Sun and Ultra Moon, the man in the Ula'ula Ferry Terminal in Malie City who gives the player a Nugget says that he dug up lots of Nuggets on the Sevii Islands. This heavily suggests that this man is the same one who can be found mining for gold at Three Isle Path in Pokémon FireRed and LeafGreen, further supported by their similar dialogue.
Maxie and Archie, in their Generation III designs, appear as members of Team Rainbow Rocket, using Groudon and Kyogre, respectively, to battle the player.
The Bike Maniac's Bicycle collection in Cerulean City includes Acro and Mach Bikes.
On Route 19, Swimmer David mentions "a move in another region that lets you dive underneath the water", likely referring to Hoenn (where Dive was first introduced) and its underwater areas.
Red and Green's VS models' poses in Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! are identical to Red and Leaf's VS poses, respectively, in Pokémon FireRed and LeafGreen.

References to Generation IV

Cynthia makes an appearance at the Battle Tree in Alola.
A Sightseer in the Pokémon Center on Route 8 questions who would win in a matchup between the Masked Royal and Crasher Wake.
In order to research how the Ultra Beasts emerge from portals, the Pokémon Giratina, Palkia, and Bronzong are noted at the Dimensional Research Lab.
When examining the shelves and fridges in Thrifty Megamart on Royal Avenue, the player is informed that the shop has a sale on Mt. Coronet Fresh Water, as well as on Sinnohan Poffin Assortments.
The laboratory in Aether Paradise contains files about the development of Type: Null. According to the one of them, materials for the development were collected from Canalave Library.
Looker appears in Alola as Anabel's subordinate.
When encountered on Route 9 in Ultra Sun and Ultra Moon, Looker mentions how Alola doesn't have anyone "so terrible as to try to create a new world", referencing Team Galactic.
An Old Gateau is given to the player in Pokémon Center Cafés when buying a drink for the first time on Thursdays.
The woman selling fossils in Olivia's jewelry shop in Konikoni City mentions that Olivia brought the Skull and Armor Fossils to Alola from the Sinnoh region.
The designs for the male and female Pokémon Breeders greatly resemble those of the Sinnohan Ranchers and Cowgirls, respectively.
In Ultra Sun and Ultra Moon, the player can find a bottle message at Ula'ula Beach, which they can deliver to Rising Star Kainoa at the Malie City Outer Cape. He will tell the player that the message is from a friend of his named Arabella, who works as a Gym Trainer in Kanto. This is a reference to Ace Trainer Arabella, who can be battled at the Viridian Gym in Pokémon HeartGold and SoulSilver.
Cyrus appears as a member of Team Rainbow Rocket, using either Dialga^US or Palkia^UM to battle the player.
Archer appears as a member of Team Rocket. During the post-game, he mentions his plans to leave Kanto and one day bring back Team Rocket, referencing his role as the leading Executive of Team Rocket in Pokémon HeartGold and SoulSilver.

References to Generation V

Professor Burnet makes her core series debut in Pokémon Sun and Moon, working at the Dimensional Research Lab in Heahea City, and being married to Professor Kukui. She also gives the player the Reveal Glass, referencing her origin game.
An Aether Foundation Employee mentions that she once worked in Driftveil City, helping Pokémon that got separated from their Trainers, most likely due to the actions of Team Plasma.
Colress makes an appearance on Route 8, and talks about his wish to bring about the full potential in Pokémon. After the player has become Champion, he'll reappear and give the player Genesect's Drives, mentioning how they were created at the P2 Laboratory. He also makes an appearance at the Battle Tree.
- In Ultra Sun and Ultra Moon, Colress's role is expanded. He can now first be seen at the Tide Song Hotel in Heahea City, thinking about the Trainer he once met. He also helps the Ultra Recon Squad by developing two devices, which are modified versions of the Colress Machine, for fusing and de-fusing Necrozma with Solgaleo and Lunala. When he later gives these devices to the player on Mount Lanakila, he alludes to his earlier experiences regarding Pokémon fusion. During Episode RR, he appears again to assist the player and Lillie at Team Rocket's Castle, using another modified Colress Machine to send dimension-displaced villainous team leaders back to where they came from.
When encountered on Route 9 in Ultra Sun and Ultra Moon, Looker mentions how Alola doesn't have anyone trying to separate Pokémon from their Trainers, referencing Team Plasma.
Grimsley can be found on Route 16, and registers Sharpedo on the player's Poké Ride. He can also be found in the Battle Tree. In Ultra Sun and Ultra Moon, he also initially holds high scores on all the Mantine Surf beaches and mentions he's a former member of the Unova Elite Four.
A Casteliacone is given to the player in Pokémon Center Cafés when buying a drink for the first time on Wednesdays. A Sweet Heart can be received on Sundays under the same conditions.
The woman selling fossils in Olivia's jewelry shop in Konikoni City mentions that Olivia brought the Cover and Plume Fossils to Alola from the Unova region.
Ghetsis appears as a member of Team Rainbow Rocket, using either Zekrom^US or Reshiram^UM to battle the player.

References to Generation VI

Dexio and Sina, Professor Sycamore's assistants from Pokémon X and Y, appear in Sun, Moon, Ultra Sun, and Ultra Moon, telling the player about Zygarde and its Cells and giving the player a Zygarde Cube, which is stated to have been discovered by Professor Sycamore. When met in Heahea City, they mention being reminded of a group of five young Trainers, referring to the Kalos player character and their rivals. They later appear on Poni Island and inform the player about Mega Evolution, giving the player a Key Stone and an Alakazite. They also make an appearance at the Battle Tree.
- When encountered, the music that plays in the cutscene is the same as the one used when encountering them in Pokémon X and Y.
When encountered for the first time on Route 8, Colress wonders out loud if the Z-Ring's^SM/Z-Power Ring's^USUM power can surpass that of the Mega Ring.
A man on the first floor of the Dimensional Research Lab in Heahea City mentions having heard about "some rare Pokémon that can use rings to teleport itself through space", describing Hoopa.
A Collector on Route 11 says that there is a Pokémon in the Kalos region with bamboo leaves in its mouth, referring to Pancham and Pangoro.
A poster within the Geothermal Power Plant on Blush Mountain talks about the Kalos Power Plant. It mentions that it draws its energy from space with microwaves and send back to the planet's surface. The people in Kalos work with Porygon in space.
In Sun and Moon, Samson Oak mentions that the Rotom Pokédex was built with the help of a "young fellow" from Kalos. This is a reference to Clemont, a Kalosian Gym Leader known for his reputation as a genius inventor.
After becoming the Champion, Swimmer Girls Kylie and Ashlyn on Poni Breaker Coast will tell the player that they come from the Kalos region. They also talk about Trainer PR Videos and about being known in Kalos for their skills in HM-making.
A Lumiose Galette is given to the player in Pokémon Center Cafés when buying a drink for the first time on Mondays. A Shalour Sable can be received on Fridays under the same conditions.
In Hau'oli City, Ilima's mother gives the player a Lumiose Galette and explains that it's his favorite food from the Kalos region, where he went to study abroad.
There is a Sushi High Roller in Malie City. A Sightseer who is dining there says that he once visited the branch in Kalos.
During Acerola's trial at the Thrifty Megamart, a picture of Pikachu Pop Star can be seen amongst the many Pikachu pictures in Totem Mimikyu's room.
In Ultra Sun and Ultra Moon, a Team Skull Grunt in Po Town says he's from the Kalos region.
The bottom floor of Resolution Cave has a practically identical layout to Zygarde's chamber in Kalos's Terminus Cave. In Sun and Moon, a Zygarde Cell is found in the center of the chamber, while in Ultra Sun and Ultra Moon, a 50% Forme Zygarde is there instead, like it was in Terminus Cave in X and Y.
After becoming Champion, a mysterious man appears in Haina Desert, apparently suffering from amnesia. If the player shows him a Solrock^SUS/Lunatone^MUM, he will regain his memories and mention that he first encountered the Pokémon shown to him 30 years earlier, and that the "star pulses" it bestowed upon him have been passed down to "a group of wonderful men". This is likely a reference to the old guys and the O-Powers they give to the player in Pokémon Omega Ruby and Alpha Sapphire, as the same sound effect used when obtaining an O-Power is used when Solrock^SUS/Lunatone^MUM causes the man to regain his memories.
The woman selling fossils in Olivia's jewelry shop in Konikoni City mentions that Olivia brought the Jaw and Sail Fossils to Alola from the Kalos region.
In Ultra Sun and Ultra Moon, a boy in the Akala Ferry Terminal in Heahea City mentions the factory in Kalos that makes Poké Balls.
Lysandre appears as a member of Team Rainbow Rocket, using either Xerneas^US or Yveltal^UM to battle the player. He also mentions the ultimate weapon, forcing the player character to make a similar choice between two buttons as he did for the Kalos player character in X and Y.
In Ultra Sun and Ultra Moon, when Iwao gives the player the Shiny Charm, he says he feels like a Picker-Upper and that his Secret Base was Gold Rank.
When the player enters the S.S. Anne, Blue gives them a Shalour Sable.
One of the games at the Rocket Game Corner features a Pikachu fighting in a mask, a reference to Pikachu Libre. This could also be a reference to Pokkén Tournament, in which Pikachu Libre is a playable Pokémon.

Generation VIII

References to Generation I

An NPC in Motostoke and a Backpacker in Circhester mention that curry is a big thing in Kanto.
An NPC in Hammerlocke mentions that Meowth in Galar look different from Meowth in Kanto and Alola.
A boy in Wyndon says that a nearby Galarian Mr. Mime is named Marcel, a reference to the Mr. Mime that can be obtained from an in-game trade in Pokémon Red and Blue.
An NPC in Wyndon says that both Kantonians and Galarians like waiting in lines.
The Cram-o-matic can sometimes give the player a Safari Ball. Its description mentions the Kanto Safari Zone.
Gym Challenger Deneb mentions that she traveled to Kanto to train at the Fighting Dojo.
Todd, the player character of Pokémon Snap, returns as an NPC in New Pokémon Snap. He also helped Professor Mirror in designing the NEO-ONE, which is directly based on the ZERO-ONE vehicle designed for him by a certain Pokémon Professor years earlier.
Todd remarks that the Mightywide River makes him feel nostalgic, referencing the fact that it shares many similarities with the River and Valley stages from the original Pokémon Snap.
Charm of the Miss Fortunes mentions that she came to Hisui from Kanto.

References to Generation II

Rage Candy Bar is one of the rewards the player can win at the Battle Café.
The Ball Guy gives the player one of each kind of Apricorn Poké Ball over the course of the game. More can also be obtained from him by winning a tournament at the Pokémon League.
Apricorns can be found and turned into Apricorn Poké Balls on the Isle of Armor using the Cram-o-matic. The first time the player obtains one this way, Hyde says that a "real old guy" once showed Mustard how to make them, alluding to Kurt.
The Cram-o-matic can sometimes give the player a Sport Ball. Its description mentions the Bug-Catching Contest in the Johto region.
Like in Johto, Apricorns are used as crafting materials for Poké Balls in Hisui.
During Request 32: "The Headache-Stricken Psyduck", a Galaxy Team member named Tomma is revealed to be from Cianwood City and gives the player some of his hometown's Secret Medicine.
During Request 67: "The Clefairy's Moonlit Dance", a Galaxy Team member mentions that Clefairy dance during the full moon where he comes from, likely referencing the Clefairy dance at Mt. Moon Square. When the player witnesses Clefairy dancing during the request, a remix of the theme that plays during the Clefairy dance in Generation II is heard. Just like in Generation II, the Clefairy also leave behind a Moon Stone while running away.
In the Italian language version of Pokémon Legends: Arceus, during the main game climax at the Temple of Sinnoh, Kamado mentions the Whirl Islands and Mt. Silver.

References to Generation III

Lava Cookie is one of the rewards the player can win at the Battle Café.
Kabu is mentioned to have come to Galar from Hoenn.
The ruins containing the legendary giants use a remixed version of the music their ruins in Generation III use.
There's an inaccessible restaurant in Jubilife Village called the Sevii Kitchen, which is a reference to the Sevii Islands.

References to Generation IV

Old Gateau is one of the rewards the player can win at the Battle Café.
The Cram-o-matic can sometimes give the player a Safari Ball. Its description mentions the Great Marsh in Sinnoh.
The legendary giants in the Crown Tundra are encountered by lighting up floor tiles by walking on them and then interacting with a statue, similar to how the legendary giants were awakened in Pokémon Platinum. The screen also shakes at the beginning of the encounter in a similar fashion as it does in Platinum.
If the player shows Peony a Lugia in the Max Lair, he remarks that Lugia would be brilliant in Pokéathlons, which he describes as sporting events in "this one far-off region".
In Pokémon Brilliant Diamond and Shining Pearl, in the first series of rematches, the Sinnoh Elite Four members use their respective teams from Platinum.
The Hisui region, the setting of Pokémon Legends: Arceus, is the Sinnoh region in the past. During the post-game, Kamado alludes to the region's present-day name by mentioning that Hisui could be called the Sinnoh region after the "almighty Sinnoh" worshipped by the Diamond and Pearl Clans.
Kamado is the ancestor of Professor Rowan.
Galaxy Team shares its Japanese name with Team Galactic. During the post-game, Cyllene promises to pass down the team's name to the following generations, explaining how Team Galactic got its name.
One of the Old Verses the player can find in Hisui mentions Sinjoh, whose ruins the player can visit during an event in Pokémon HeartGold and SoulSilver.
The pattern seen at the Hall of Origin in Pokémon Legends: Arceus is the same one seen during the Sinjoh Ruins event.

References to Generation V

Casteliacone is one of the rewards the player can win at the Battle Café.
At the Hulbury station, a Schoolboy mentions that it should be possible to battle on board the trains, like in Unova.
The Dream Ball, previously exclusive to Unova's Entree Forest, can be obtained from the Ball Guy at Wyndon Stadium.
A man in one of Wyndon's Pokémon Centers mentions that he's from Unova.
Ingo, one of the Subway Bosses of Unova, appears as a warden in Hisui, having been transported back in time to Pokémon Legends: Arceus's time period. He mentions having faint memories of his former partner and a man who looked like him.

References to Generation VI

Lumiose Galette and Shalour Sable are possible rewards the player can win at the Battle Café.
A Swimmer on Route 9 says that swimming experts can swim from Galar to Kalos.
If the player character is male, their default shirt in Pokémon Legends: Arceus is one from Pokémon X and Y.

References to Generation VII

Two NPCs at the Meetup Spot train station will notice if the player has played Pokémon: Let's Go, Pikachu! or Let's Go, Eevee!, referring to it as a "Let's Go experience", and give the player a Pikachu (if the player has save data of Let's Go, Pikachu!) and an Eevee (if the player has save data of Let's Go, Eevee!).
A woman in Motostoke mentions that she came from Alola to see the Gym Challenge.
Big Malasada and Pewter Crunchies are possible rewards the player can win at the Battle Café.
After being defeated, a Café Master compares his battle with the player to a type of drink. The drinks he can mention are the same ones that can be bought at Alola's Pokémon Center Cafés.
An NPC in Hammerlocke mentions that Meowth in Galar look different from Meowth in Kanto and Alola.
After becoming Champion, the player can obtain a Beast Ball from the bargain shop keeper at Stow-on-Side. More can also be obtained from the Ball Guy by winning a tournament at the Pokémon League.
On the Isle of Armor, the player encounters a Hiker who mentions having caught 151 Alolan Diglett in Alola, but they escaped across the island. He asks for the player's help in finding them, rewarding them with other Pokémon he met in Alola (mostly Alolan forms) whenever they have found a certain number of Diglett.
Mustard can be seen playing Pokémon Quest in the Master Dojo.
Tauros's Pokémon Sword Pokédex entry mentions the Tauros in Galar being too wild to be ridden, referencing the use of Tauros as Ride Pokémon in Alola.
In The Crown Tundra, an Ultra Wormhole brings Ultra Beasts to the Max Lair. The Legendary Clue? describes Ultra Wormholes, mentioning that they were first discovered by Professor Mohn.
Peonia mentions that the scientist running the Max Lair used to work at a laboratory in Alola. She also mentions wanting to visit Alola to taste malasadas.
When the player gains the ability to ride Wyrdeer, Professor Laventon compares it to Alola's Ride Pokémon.
As part of a request, the player has to look for five lost Alolan Vulpix at the Alabaster Icelands. The man who gives the request says he's from Alola.

Generation IX

References to Generation I

Several food vendors around Paldea mention they're from Kanto.
The Pika-Vee Case for the player's Rotom Phone features the Pokémon Yellow sprites of Pikachu and Eevee, possibly referencing the first rival battle of the game.
The Monstrous Tablecloth's description mentions that it was designed by members of the Pewter Museum of Science.
The Ghost-type Tera Jewel resembles the sprite of a ghost from Generation I.
The Alfornada observatory, which also houses the town's battle court, is decorated with images of Generation I menu sprites.
Roman the Black Belt in South Province (Area Five) says "Hoo hah!" when the player challenges him. After being defeated, he says he's imitating a martial artist he idolizes. This a reference to Bruno, who uses the same phrase before being battled.
Safari Ball's item description mentions the Safari Zone in Kanto.
A man in Legends: Z-A mentions that the wild zones make him feel like the people of Lumiose are living in a Safari Zone.
There is a whiteboard featuring drawings of Generation I menu sprites in Lysandre Labs.
During Side Mission 102: "A Chilling Challenge", Ace Trainer Glace quotes Lorelei before and after the battle against her, citing her as her favorite Trainer.
After helping an author named Crivain during Side Mission 128: "A Novel Adventure", he mentions that the story the player helped him come up with has been opted for a film, with Sabrina as one of the leads, referencing her role as Movie Star in Pokémon Black 2 and White 2.
In Mega Dimension, Corbeau mentions how he once knew the boss of an organization from Kanto.

References to Generation II

One of each of the Apricorn Poké Balls is obtainable as a milestone reward while completing the Paldea Pokédex, as well as in Legends: Z-A.
The music options that can be played while the player is taking a photo with their Rotom Phone in Scarlet and Violet include remixed versions of the Johto wild Pokémon battle theme, the Pokémon March, and the Pokémon Lullaby.
Sport Ball's item description mentions the Bug-Catching Contest in Johto.
A NPC in Legends: Z-A mentions wanting to collect Kurt's Poké Balls and put them on display.
A Furisode Girl mentions she's different from "the furisode girls from the Johto region".
In Mega Dimension, Corbeau mentions how he once knew the boss of an organization from Kanto, who told him a lot about that myths and legends of Johto and Hoenn.

References to Generation III

For the Cascarrafa Gym's Gym Test, the player must buy Kofu rare Hoennian wakame seaweed at an auction at Porto Marinada to be used as a cooking ingredient.
The Bitter Melon Stir-Fry served at Medali's Treasure Eatery is described as a recreation of a recipe that the restaurant's head chef encountered in Hoenn.
Lida is mentioned to be from Hoenn. On her nightstand in Hotel Z, there are also some postcards from the same region.
Hyperspace versions of the Cave of Origin (in both its Omega Ruby and Alpha Sapphire designs) and Sky Pillar can be visited in the Mega Dimension DLC, housing the same Legendary Pokémon found in them in Hoenn.
The Hyperspace distortions where Groudon and Kyogre are found are codenamed by the Rust Syndicate as the ruby and sapphire distortions, respectively.
In Mega Dimension, Corbeau mentions how he once knew the boss of an organization from Kanto, who told him a lot about that myths and legends of Johto and Hoenn.
One of the ingredients for the donuts needed to encounter Groudon and Kyogre is the Hoennian Salt, which is said to be harvested in small amounts in the Hoenn region, possibly referencing the Shoal Salt, which can only be harvested in Shoal Cave and exclusively during low tide.

References to Generation IV

Safari Ball's item description mentions the Great Marsh in Sinnoh.
Perrin mentions she's from Sinnoh.
A Police Officer participating in the Z-A Royale mentions he's a member of the International Police.
An old woman mentions having apprenticed under Professor Rowan a long time ago.
The Spear Pillar is mentioned in the description of the painting featuring the Temple of Sinnoh at the Lumiose Museum.
An NPC at the Lumiose Museum mentions Dialga and Palkia being Legendary Pokémon in the Sinnoh region.
During the climax of Legends: Z-A's Mega Dimension DLC, the player enters a Hyperspace version of Sinnoh's Newmoon Island to battle Darkrai.

References to Generation V

A Dream Ball is obtainable as a milestone reward while completing the Paldea Pokédex, as well as in Legends: Z-A.
The shirt worn by Poké Maniacs features the Pokéstar Studios logo.
Blueberry Academy, the sister school of Naranja Academy^S/Uva Academy^V, is located in Unova.
Many music themes used at Blueberry Academy are remixed versions of themes from Black, White, Black 2, and White 2.
Lacey is the daughter of Clay, while Drayton is the grandson of Drayden.
Crispin, Lacey, Amarys, and Drayton's respective hometowns are Virbank City, Nimbasa City, Castelia City, and Opelucid City.
Castelia City's theme is one of the unlockable background themes for the League Club Room.
The monochrome design of the League Club Room is colored black and white, referencing the names of the Generation V core series games. In addition, this version of the room features paintings of Skyarrow Bridge, Black City, and White Forest, as well as a model of Nimbasa City's Rondez-View Ferris Wheel.
The futuristic design of the League Club Room features several references to the Big Monster and Invaders Series from Pokéstar Studios.
When met in the League Club Room, Brassius mentions how there is another type specialist working as an artist in Unova. In a later conversation, he mentions he visited their art gallery in Castelia City, which was filled with silky cocoons.
When met in the League Club Room, Larry asks the player if he should try out Berry sandwiches or Casteliacones. Following the player's recommendation, he tries out one of them in-between visits to Blueberry Academy.
When met in the League Club Room for the third time, Raifort mentions she visited the Abyssal Ruins in-between visits.
Chargestone Cavern is highly similar to Chargestone Cave in both name and appearance, featuring the same kind of blue, electrified, and occasionally floating rocks.
A plateau in the Terarium's Canyon Biome has the same layout as the Nature Preserve. Similar to the Nature Preserve, this area also houses a Haxorus as a fixed encounter.
One of the requirements for encountering Meloetta in the Coastal Biome is selecting the Sepia filter in the Rotom Phone's camera app. This is a reference to the Meloetta event in Black, White, Black 2, and White 2, where the Musician who teaches Meloetta Relic Song at Café Sonata mentions recalling the melody from his "sepia-toned memories".
In Pokémon Legends: Z-A, Tierno is mentioned to be waking waves as a dancer in Unova.
A couple of NPCs in Lumiose City mention the Battle Subway Multi Trains and the Subway Bosses Ingo and Emmet.
A Backpacker mentions having paid just $100 for a Casteliacone once, which is the price they're sold at in Castelia City.
An NPC mentions how exciting it'd be to witness a battle of Iris versus Drayton.
An NPC in Jaune Sector 9 mentions being fascinated by tales from Unova.
The FILMFAN clothing store sells t-shirts referencing the Full Metal Cop and Everlasting Memories movie series from Pokéstar Studios.
After completing the story of Mega Dimension, the man who exchanges items for Mega Shards in Vert Sector 7 starts selling the player the four Drives of Genesect, a Pokémon that he mentions was altered by "a certain organization".
After helping an author named Crivain during Side Mission 128: "A Novel Adventure", he mentions that the story the player helped him come up with has been opted for a film, with Sabrina and Brycen as the leads, referencing their roles as Movie Stars in Pokémon Black 2 and White 2.

References to Generation VI

The Meditative Seat, Heterarchical Loop, and Paradoxical Popper Super-Secret Base decorations from Pokémon Omega Ruby and Alpha Sapphire can be found on display at Artazon.
Sushi High Rollers, which originated in Kalos, can be found across Paldea.
Roaring Moon's Pokédex entry from Pokémon Violet states that it's speculated to have a connection to "a phenomenon that occurs in a certain region", referencing Mega Evolution.
Atticus can sell the player replicas of the Expansion, Magma, and Aqua Suit helmets at Porto Marinada.
Pokémon Legends: Z-A takes place in Lumiose City five years after the events of X and Y and features Mega Evolution.
Multiple characters from X and Y return or are referenced in Legends: Z-A:
- AZ returns as the head of Hotel Z, accompanied by his Floette. His history with the ultimate weapon is mentioned multiple times, with several shots of his backstory from X and Y being reused in Z-A.
- Emma continues her work as the head of Looker Bureau while wearing the Expansion Suit and being accompanied by her Espurr, Mimi. She has photos of her mentors, Looker and Xerosic, on display on her wall and mentions them several times.
  - Looker's status as Emma's mentor is also mentioned by some other NPC, one of whom also mentions Looker's status as an International Police agent.
- Mable is working as the acting director of the Pokémon Research Lab, whose previous head, Professor Sycamore, is mentioned to have resigned from his director role and currently be in another region, doing research alongside Trevor. Mable's Team Flare visor is also present on her desk, and her chair and laptop bear the Team Flare logo.
  - During Side Mission 022: "A Call from Mable", Mable, by the request of Professor Sycamore, hands the player a Kanto first partner Pokémon, referencing how Professor Sycamore himself did the same on X and Y.
- Clemont and Bonnie are mentioned, though not by name, by a pair NPCs at Centrico Plaza, as people who hosted battles and quiz shows, respectively, inside the Prism Tower before the Lumiose Gym was closed down.
- Tierno is mentioned to be making waves as a dancer in Unova. In the Mega Dimension DLC, he's revealed to be Lida's half-brother.
- Lysandre returns under the new identity of L, having survived being hit by the ultimate weapon's blast while also suffering from amnesia and having gained the same kind of extremely extended life as AZ.
- Diantha is mentioned by several NPCs as a famous actress, most notably being mentioned to be the mother of Ansha, who even makes a drawing of her mother at one point. Her newest upcoming film, "The Suffering of a Carnation", is advertised at Bleu Sector 7.
- Korrina returns in the Mega Dimension DLC. She references her role as the Shalour City Gym Leader, her grandfather, her former Roller Skating shtick, and her "Mega Lucario vs. Mega Lucario" showdown with the X and Y player character. She had also previously given AZ one of her Lucario, which AZ leaves for the player after his death and lists Korrina as its Original Trainer.
Lumiose Museum retains many paintings from Pokémon X and Y, and also features some new ones with references to Kalos:
- A painting seen at Parfum Palace in Pokémon X and Y is on display, depicting a person that reminded the X and Y player character of AZ, a resemblance that is also noted by the painting's description here, but it is now theorized to instead depict a descendant of AZ's younger brother.
- An entire wing is devoted to paintings depicting the Tower of Mastery in Shalour City. A replica of the tower's Mega Lucario statue is also on display. One of the paintings found here depicts the silhouette of Calem's overworld model from X and Y.
A group of NPCs at Galerie de la Lune talks about Emma, with one of them mentioning the Lumiose Gang.
During Side Mission 104: "Abuzz About Bug Types", Ace Trainer Constance mentions that AZ is said to have traveled to Hoenn to study the origins of Mega Evolution, referencing Mega Rayquaza's role as the progenitor of the phenomenon, as revealed on Pokémon Omega Ruby and Alpha Sapphire. During Side Mission EX1: "Shine Bright like a Gemstone", Emma also references this, saying that AZ once witnessed "a phenomenon in Hoenn that that may have been the beginning of all Mega Evolution".
In Restaurant Le Nah, a customer mentions how they used to serve fish and soup there. Another customer mentions Chef Roger, whom the player can battle in X and Y, while his table companion mentions Siebold.
In Restaurant Le Yeah, a customer quotes one of the spiels given before a meal was served at the restaurant in X and Y.
Sushi High Roller's map description mentions it having previously had a "members only" policy, as it did in X and Y. In addition, several rounds of the battles at the restaurant are themed around locations in Kalos, including the Miroir Way, the Winding Woods, and the Lost Hotel. A customer in the restaurant also mentions that the fish they serve is from Azure Bay.
In Restaurant Le Wow, a customer mentions the restaurant's Owner, Christophe, whom the player can battle in X and Y. A Waitress at the restaurant recommends their meals being tasted only when perfectly ready, referencing how, in X and Y, the player is to aim for a specific battle length in order to earn the best possible reward afterwards.
Siebold, Malva, and Wikstrom of the Kalos Elite Four are mentioned by various NPCs; Siebold is revealed to have left the Elite Four to focus on improving his culinary skills, Malva is mentioned to have disappeared, and Wikstrom is mentioned in the description of a Lumiose Museum display case. Malva is also mentioned to have participated in Team Flare's operation to capture Yveltal in the past as one of the team's Admins.
During Side Mission 069: "A Sky Battle, for Old Times' Sake", Backpacker Volli mentions Sky Battles and how they used to be a big fad in Kalos at one point, even comparing the player to a Sky Trainer after losing to them.
Grisham opens the secret entrance to the Lysandre Labs with the password "Open sesame", like it was opened in X and Y.
The Juice Shoppe, Friseur Furfrou, and Gogoat Shuttle from X and Y are mentioned to have gone out of business.
Both Grisham and L mention a group of children who stopped Team Flare's plans regarding the ultimate weapon, referencing the X and Y player character and their friends.
An NPC mentions the parade held at the end X and Y's main game, while another one mentions the huge blackout in Lumiose City in the same games.
While taking photos with their Rotom Phone in Legends: Z-A, the player player can play three different music tracks from Pokémon X and Y: Battle! Friend, Friends Theme "A New Meeting", and Friends Theme "Friends Forever".
A man near Wild Zone 11 mentions that it used to cost $5,000,000 to join Team Flare back in the day, referencing the Team Flare membership price mentioned a couple of times in X and Y.
A man near Wild Zone 19 mentions Super Training and how it'd be very profitable if it was brought back.
An NPC in Jaune Sector 9 mentions that that O-Powers have mysteriously disappeared.
Gardie of the Lumiose Safety Group mentions rumors of a building in the North Boulevard being haunted by the ghost of a woman, referencing the infamous Lumiose ghost girl from X and Y.
- The ghost girl is also referenced by a Hex Maniac participating in the Z-A Royale, wanting to know what the ghost's words of "No, you're not the one" mean.
A street vendor mentions Poké Puffs.
A poster of Valerie can be found on the side of various stalls. She is also referenced by Furisode Girl Faye during Side Mission 042: "A Fan of Fairy Types", and by Korrina when she, the player, and Ansha visit the Lumiose Museum during Mega Dimension and view a painting of Laverre City.
While recounting the tale of Rayquaza, Ansha mentions the Draconid people.
While helping an author named Crivain during Side Mission 128: "A Novel Adventure", the story he tells to the player mentions the Sea Spirit's Den.
During Side Mission 194: "Volcanion Unleashed", Mable mentions Team Flare having once developed a virus that allowed them to hack Poké Balls using a special virus. This same technology was also used by Essentia in the X and Y post-game to steal people's Poké Balls.
During Side Mission EX1: "Shine Bright like a Gemstone", Emma has a brief phonecall with Sedna of the Lumiose Gang, and mentions the other gang members, Eris and Nix, as well. Later during the same side mission, she mentions how Diancie's glimmer reminds her of the Anistar Sundial.
During Side Mission EX2: "Project M", Mable mentions how Team Flare captured Mewtwo in the Unknown Dungeon, where it is also found in X and Y.

References to Generation VII

In Nemona's house in Cabo Poco, there is a painting that appears to reference Ash-Greninja, even though Ash-Greninja is not present in Pokémon Scarlet and Violet due to a change in the way its Battle Bond Ability works.
Images of Akala Island and the Altar of the Sunne/Moone appear in Salvatore's languages classroom.
After being defeated, Iono references the Z-Move 10,000,000 Volt Thunderbolt.
A book in the Naranja Academy^S/Uva Academy^V entrance hall mentions Pewter Crunchies.
A Beast Ball is obtainable as a milestone reward while completing the Paldea and Blueberry Pokédexes.
One of the shaved ice flavors available at Kitakami is named "Alola Blue".
If the player has save data from Let's Go, Pikachu! or Let's Go, Eevee!, a woman in Mesagoza mentions the player adventuring in Kanto and the phrase "Let's Go!", before giving the player a phone case featuring Pikachu and Eevee.
A student at Blueberry Academy can teach the player the "Electrium Z" emote, which has the player perform the Electric-type Z-Move pose.
Atticus can sell the player replicas of Aether uniform shoes, Ultra Recon Squad glasses, and Ryuki's gloves at Porto Marinada.
An NPC in Legends: Z-A mentions wanting a Strange Souvenir from Alola.
During Side Mission 044: "Vanillite’s Fragrant Snow", Odette mentions how a perfume made of Vanillite's snow could be a big hit in tropical areas like Alola.
L likens Mega Zygarde's signature move, Nihil Light, to a Z-Move. In addition, he mentions that after the events of X and Y, Zygarde's parts scattered off to distant lands and absorbed powers from those places, potentially referencing Zygarde's presence in the Alola-based games. Nihil Light's Japanese name is also written in a similar way to a Z-Move's name.
- An NPC mentions Zygarde and Z-Moves as things found in Alola, while another NPC mentions having seen a Zygarde Cell or Core in Alola.
Sushi High Roller is mentioned to have dropped its "members only" policy after spreading to other regions, referencing its presence in Alola and Paldea.
During Side Mission 108: "Alola, Raichu!", Sightseer Griddella battles the player using an Alolan Raichu and mentions intending to travel to Alola to spread more Alolan Raichu around the world.

References to Generation VIII

Images of Professor Laventon and a Hisuian Poké Ball appear in Raifort's history classroom.
A woman in Mesagoza will grant the player various Rotom Phone cases if the player has any save data from a Nintendo Switch game:
- If the player has save data from Sword or Shield, she makes a reference to Dynamaxing, before giving the player a phone case modeled after the Ball Guy.
- If the player has save data from Brilliant Diamond or Shining Pearl, she references the Grand Underground and Super Contest Shows, before giving the player a phone case based on a Pokétch.
- If the player has save data from Legends: Arceus, she makes references to Hisui and the Arc Phone, before giving the player a phone case modeled after said phone.
A copy of Galar: A History can be found at Naranja Academy^S/Uva Academy^V. It describes the destruction of the Stow-on-Side mural during the events of Pokémon Sword and Shield.
A student at the Paldean academy's cafeteria mentions curry.
Penny is mentioned to be from Galar.
Corviknight and Tinkaton's Pokédex entries reveal that, unlike in Galar, Corviknight is unable to serve as the Flying Taxi Pokémon in Paldea due to Tinkaton's habit of attacking it mid-flight.
Perrin mentions that her ancestors come from Sinnoh back when it was called Hisui. At one point, she also uses Adaman's catchphrase, "Time wasted is lost", which she says is a saying passed down in her family, confirming her as Adaman's descendant. She also takes the player to a photo survey to find a special Ursaluna, during which several themes from Legends: Arceus can be heard, including The Heartwood and Hisui wild Pokémon battle themes.
Atticus can sell the player a replica of Marnie's backpack and a helmet modeled after the Ball Guy at Porto Marinada.
One of the Poké Ball-throwing styles the player can unlock using the League Club Room PC is that of the former Galar Champion Leon.
If the player shows a Pokémon with the Mightiest Mark to a student in Blueberry Academy's School Store, he will teach them Leon's signature Charizard Pose as an emote.
Jubilife Village's theme is one of the unlockable background themes for the League Club Room.
Near the beginning of Mochi Mayhem, Penny gets irritated during a phone call with her father by his use of the word "Adven-tour" and describes him as "ultra-mega-annoying" afterwards. This heavily implies that her father is Peony, as he uses the same word and prefix in his dialogue.
Leon is mentioned by several NPCs, including Jacinthe and Zach, referring to him as the former, once undefeated Galar Champion with a horrible sense of direction, who also paid a visit to the Society of Battle Connoisseurs just several days before the player visits it.
A group of NPCs in Legends: Z-A mentions Piers and sings one of his songs.
An NPC at the Saison Canalside mentions a Galarian avenging his ancestors.
An NPC at Nouveau Café (Truck No. 3) mentions wanting to visit Galar.
During Side Mission 039: "Slowpoke for Slowpoke", Quille, the NPC wanting to trade his Galarian Slowpoke for the player's Kantonian Slowpoke, menthons that he's from Galar.
- Similarly, during Side Mission 072: "Find My Galarian Stunfisk!", an NPC named Terri mentions having caught his Galarian Stunfisk in Galar.
During Side Mission 076: "Let's Learn About Mega Evolution!", a school kid asks the player what the moves uses by Mega-Evolved Pokémon are called. One of the possible options the player can choose as the answer is "Max Moves".
L mentions that, following the events of X and Y, Zygarde's pieces scattered off into distant lands and absorbed the power of those lands, potentially referencing Zygarde's presence in Galar's Max Lair, where it's seen utilizing the Dynamax phenomenon.
A pair of NPCs discusses about going to Galar to do some Dynamaxing and visiting the Battle Tower.
During Side Mission 075: "Some Unusual Pokémon", Grade-Schooler Touri mentions the Isle of Armor in the Galar region and the Galarica Twigs found there.
During Side Mission 001: "A Big Ol’ Bunnelby", Trevelle mentions how people once used to live in fear of alpha Pokémon in a region whose name he forgot, referencing Hisui.
Lumiose Museum houses an exhibition dedicated to Hisui, making multiple references to Legends: Arceus:
- Maps of Hisui are seen at the entrance of the exhibit, one depicting Jubilife Village and the other one showing the Coronet Highlands, Crimson Mirelands, and Lake Valor. The map's accuracy is attributed to the surveyor having viewed the area while riding a flying Pokémon, referencing the rideable Hisuian Braviary.
- Rei and Akari's Survey Corps uniforms are on display, as are models and drawings of various pieces of Survey Corps equipment, such as a satchel, a crafting bench, and various Hisuian Poké Balls, whose crafting recipes are described to have included Apricorns and tumblestone.
  - The description of the satchel mentions a Galaxy Expedition Team member who is told to have been able to increase the amount of items that a satchel could hold, referencing Bagin from the Galaxy Hall's first floor.
- Old Verse 13 is quoted in the description of potato mochi.
- Models and drawings of various buildings in Jubilife Village are on display, including the general store and the training grounds. Ingo's role in the training grounds is also mentioned.
- Professor Laventon's Pokédex sketches are on display, and the Legends: Arceus player character is referenced as the person responsible for completing the original Hisui Pokédex.
- Galaxy Expedition Team Commander Kamado's kimono and Galarian suit of armor are on display, as is the Galaxy Team flag, which bears Galarian letters.
  - The description of Kamado's armor mentions Galar and Kalos having had problematic relations at one point in history.
- The portraits found at the Diamond and Pearl Settlements, featuring three people who share a resemblance with Archie, Maxie, and Alder, respectively, can be seen on display at the museum.
- Statues of Dialga and Palkia from the Coronet Highlands, as well as a slab of Hisuian Pokémon hieroglyphs are on display, along with paintings featuring the Ancient Quarry and the Temple of Sinnoh, the latter which is mentioned have housed statues featuring the lord and lady Pokémon before it was destroyed in a battle between Legendary Pokémon.
- Volo's Arceus-themed outfit is seen on display, mentioned to have been donated to the museum by its original wearer. A Celestica Flute is also seen in the same display case.
While in The Sewers, Emma tells Ivor to not throw a Poké Ball too hard at a wild Klefki by saying they're not in ancient Hisui.
AZ's posthumous letter mentions him having witnessed the Darkest Day in Galar.
An NPC mentions that the Maximizers, the Pokémon band that's seen playing during the end credits of Sword and Shield, are coming to Lumiose on a tour.
A painted portrait of Professor Laventon can be found in the Old Building.
During Side Mission 150: "Corvisquire's Search", Asami mentions a school in Wyndon.
During Side Mission 170: "Rotom Showcase!", it is mentioned how in Galar, besides Rotom Phones, Rotom are also used in Drone Rotom and Rotom Bikes.

List of references

Generation II

References to Generation I

Generation III

References to Generation I

References to Generation II

Generation IV

References to Generation I

References to Generation II

References to Generation III

Generation V

References to Generation I

References to Generation II

References to Generation III

References to Generation IV

Generation VI

References to Generation I

References to Generation II

References to Generation III

References to Generation IV

References to Generation V

References to Generation VII

Generation VII

References to Generation I

References to Generation II

References to Generation III

References to Generation IV

References to Generation V

References to Generation VI

Generation VIII

References to Generation I

References to Generation II

References to Generation III

References to Generation IV

References to Generation V

References to Generation VI

References to Generation VII

Generation IX

References to Generation I

References to Generation II

References to Generation III

References to Generation IV

References to Generation V

References to Generation VI

References to Generation VII

References to Generation VIII

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