Timeline of events in Pokémon the Series
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This is a chronological list of significant events in the anime and the episodes which they occurred in, or, for events which happened outside the series, where they happened in relation to the episodes.
Timeline
Pre-series
The order of many of these events is approximated and debatable.
- The beginning of time
- Arceus appears in the darkness of space in the form of an egg. After hatching, it creates the universe. (Arceus and the Jewel of Life)
- 2,000,000 years prior
- 2000 years prior
- War breaks out. Soldiers leave Kanto by ship. (EP020)
- A woman dies while waiting for her lover to return at Maiden's Peak, creating a haunted monument. (EP020)
- Sir Aaron tries to stop the war. He seals his Lucario in a staff.
- 400 years prior
- Azalea Town experiences a devastating drought that ends when a Slowpoke's yawn brings rain, prompting the town's people to begin a time-honored tradition of respect for all Slowpoke. (EP142)
- 300 years prior
- The Orange League takes place for the first time. (EP095)
- 200 years prior
- Early versions of Poké Balls are used. (EP232)
- Lokoko's master, who looks identical to Brock, left his home in Johto to go on a journey. He never returns. (EP232)
- 50 years prior
- Samuel Oak is born. (Celebi: Voice of the Forest)
- 40 years prior
- Samuel Oak goes on his Pokémon journey. (Celebi: Voice of the Forest)
- 30 years prior
- Kaiser reports the existence of a Dratini in the Safari Zone. Thousands of people came to get the rare Pokémon, which literally destroys the Safari Zone in the process. Since then, they only allow Safari Balls there. (EP035)
- ???
- Samuel Oak becomes a professor.
- Delia and Spencer study as students of Professor Oak. (Spell of the Unown)
- Jessie is born.
- James is born.
- James is arranged to marry Jessiebelle. (EP048)
- James runs away from home. (EP048)
- Daisy is born.
- Violet is born.
- Lily is born.
- Johanna wins the Grand Festival.
- 15 years prior
- Brock is born.
- ???
- Tracey is born.
- Jessie and James enroll in a school called Pokémon Tech. They both drop out shortly after. (EP009)
- Jessie and James join a bicycle gang in Sunny Town. (EP036)
- 11 years prior to DP
- 10 years prior
- 10 years prior to AG
- 10 years prior to DP
- ???
- Forrest is born. The rest of Brock's siblings are born afterwards, apparently each about a year or less apart.
- 7 years prior to AG
- Max is born.
- 5 years prior
- Brock receives his first Pokémon from Flint, an Onix, as a present for his tenth birthday. (AG034)
- Molly Hale is born.
- ???
- Meowth meets Meowzie. (EP070)
- Meowth learns to talk. (EP070)
- Meowth is rejected by Meowzie and joins Team Rocket. (EP070)
- Jessie and James join Team Rocket. (SS012)
- Brock catches a Geodude.
- Flint leaves Pewter City to train, leaving the Pewter Gym in the hands of his oldest son, Brock. (EP005)
- Lola leaves Pewter City out of boredom, leaving her children in the hands of her oldest son, Brock. (EP005)
- Misty catches Goldeen, Staryu, and Starmie.
- Tracey catches Venonat and Marill.
- Misty leaves Cerulean City to train, leaving the Cerulean Gym in the hands of Daisy, Lily, and Violet. (EP007)
- 1 year prior
- Less than 1 year prior
- Paul enters the Hoenn league (DP040)
- Paul then enters the Johto league.
- Paul captures his Elekid, Murkrow, and Weavile. (DP040)
- Paul finally travels to the Kanto league.
- Zoey competes in 3 Contests and wins 1 of them.
- Paul returns home to Sinnoh and captures a Ninjask and Chimchar.
Original series
Kanto
Season 1
- Ash turns 10.
- Gary turns 10.
- Two unnamed and unknown trainers receive Pokédexes and starter Pokémon from Professor Oak. One of them chooses Charmander, the other chooses Bulbasaur.
- The two unknown rookie trainers leave Pallet Town.
- Gary receives a Pokédex and his starter Pokémon from his grandfather, Professor Oak. He chooses a Squirtle.
- Gary leaves Pallet Town to become a Pokémon Trainer.
- Ash receives a Pokédex and his starter Pokémon from Professor Oak. He chooses the only Pokémon left, Pikachu.
- Ash leaves Pallet Town to become a Pokémon Trainer.
- Ash attempts to capture a Pidgey. He fails miserably.
- Ash meets Misty and steals her bicycle.
- Pikachu attacks a flock of Spearow, destroying Misty's bicycle and depleting its health in the process.
- Ash sees a Ho-Oh.
- Ash arrives in Viridian City.
- Misty begins following Ash until he repays her for her bicycle.
- Team Rocket is defeated by Pikachu for the first of many, many times. They vow to capture it.
- Ash and Misty leave Viridian City.
- Ash and Misty enter the Viridian Forest.
- Ash and Misty are in the Viridian Forest.
- Ash catches Caterpie.
- Ash catches Pidgeotto.
- Caterpie evolves into Metapod.
- Ash and Misty are in the Viridian Forest.
- Metapod evolves into Butterfree.
- Two weeks have passed since the first episode.
- Ash and Misty leave Viridian Forest.
- Ash and Misty arrive in Pewter City.
- Ash meets Flint.
- Ash goes to Pewter Gym and challenges the Gym Leader, Brock. He loses by forfeit.
- With the help of Flint, Ash supercharges his Pikachu at an abandoned mill.
- Ash goes to Pewter Gym and rechallenges the Gym Leader, Brock. He loses by forfeit again, despite having a lucky advantage from the sprinklers going off.
- Brock gives Ash the Boulder Badge despite his forfeiting.
- Flint reveals himself as Brock's father, and reclaims the responsibilities of being Gym Leader and taking care of Brock's siblings.
- Brock joins Ash, starting his journey to become a Pokémon Breeder.
- Ash and his friends leave Pewter City.
- Ash and his friends arrive at Mt. Moon.
- Brock catches Zubat.
- Ash and his friends leave Mt. Moon.
- Misty leaves Ash to avoid going to Cerulean City.
- Ash and Brock arrive in Cerulean City.
- Brock leaves Ash for the day.
- Ash goes to Cerulean Gym and challenges the Gym Leader, who he learns is Misty.
- Ash's battle against Misty is interrupted by Team Rocket.
- Daisy, Lily, and Violet give Ash the Cascade Badge despite the inconclusive match.
- Misty and Brock rejoin Ash.
- Ash and his friends leave Cerulean City.
- Ash and his friends get lost on the way to Vermilion City. They find the Hidden Village.
- Ash catches Bulbasaur.
- Ash and his friends leave the Hidden Village, returning to the route to Vermilion City.
- Ash and his friends are en route to Vermilion City.
- Ash catches Charmander.
- Ash and his friends are en route to Vermilion City.
- Ash catches Squirtle.
- Ash catches Krabby.
- Ash sends Krabby to Professor Oak's Laboratory, unbeknownst to him.
- Ash meets Bill.
- Ash, his friends, and Bill see a giant Dragonite.
- Ash goes to Vermilion Gym and challenges the Gym Leader, Lt. Surge. He loses.
- Pikachu reveals that it does not want to evolve into a Raichu.
- Ash goes to Vermilion Gym and rechallenges the Gym Leader, Lt. Surge. He wins.
- Lt. Surge gives Ash the Thunder Badge.
- Ash and his friends board the St. Anne.
- Ash trades Butterfree for Raticate.
- James buys a Magikarp from the Magikarp salesman.
- Ash trades Raticate for Butterfree.
- The St. Anne sinks with Ash, his friends, and Team Rocket still aboard.
- A funeral at sea is held for Ash, his friends, and Team Rocket.
- Ash, his friends, and Team Rocket escape from the sunken St. Anne.
- Magikarp evolves into Gyarados.
- James loses control of Gyarados and thus releases it.
- An amusement park owned by Giovanni is wrecked by Ash, his friends, and Team Rocket.
- Ash and his friends arrive in Porta Vista.
- Misty catches Horsea.
- Porta Vista is attacked by a giant Tentacruel and a swarm of Tentacool.
- Ash and his friends leave Porta Vista in a boat headed for the mainland.
- It is the last day of summer.
- Ash and his friends are en route to Saffron City.
- Butterfree becomes the mate of the pink Butterfree.
- Ash releases Butterfree.
- Ash and his friends arrive in Saffron City.
- Ash goes to Saffron Gym and challenges the Gym Leader, Sabrina. He loses.
- Ash and his friends leave Saffron City.
- Ash and his friends arrive in Lavender Town.
- Ash enters Pokémon Tower.
- Ash and Pikachu are knocked out by a falling chandelier and their spirits fly around Pokémon Tower, having fun with a Gastly, Haunter, and Gengar.
- Ash befriends Haunter.
- Ash and Pikachu are revived.
- Ash goes to Saffron Gym and rechallenges the Gym Leader, Sabrina. He loses again.
- Brock and Misty are turned into dolls.
- Ash goes to Saffron Gym and rechallenges the Gym Leader, Sabrina. Because of Haunter making Sabrina laugh, he wins.
- Brock and Misty are returned to normal.
- Sabrina gives Ash the Marsh Badge.
- Ash leaves Haunter with Sabrina.
- Charmander learns Rage.
- Ash catches Primeape.
- Ash and his friends arrive in Celadon City.
- Ash is thrown out of Celadon Gym.
- Ash cooperates with Team Rocket, who disguise him as a girl.
- Ash goes to Celadon Gym and challenges the Gym Leader, Erika.
- Ash's battle against Erika is interrupted by Team Rocket.
- Celadon Gym catches on fire.
- Ash rescues Erika's Gloom from the fire.
- Erika gives Ash the Rainbow Badge.
- Ash and his friends arrive in HopHopHop Town.
- Misty catches Psyduck by accident.
- Ash and his friends leave HopHopHop Town.
- Ash and his friends are on Scissor Street in Celadon City.
- Brock meets Suzy, a famous breeder whom he admires greatly.
- Brock asks Suzy to teach him to be a great breeder. She turns him down.
- Brock receives Vulpix from Suzy.
- Ash and Brock enter the P1 Grand Prix with Geodude and Primeape.
- Ash and Primeape win the P1 Grand Prix.
- Ash gives Primeape to Anthony.
- Ash and his friends arrive in Gringey City.
- Ash catches Muk.
- Ash sends Muk to Professor Oak's Laboratory.
- Ash and his friends leave Gringey City.
- Several months have passed since the first episode.
- Ash and his friends are en route to Fuchsia City.
- Ekans evolves into Arbok.
- Koffing evolves into Weezing.
- Ash and his friends arrive in Fuchsia City.
- Ash goes to Fuchsia Gym and challenges the Gym Leader, Koga.
- Ash's battle against Koga is interrupted by Team Rocket.
- Ash rechallenges the Gym Leader, Koga. He wins.
- Misty discovers Psyduck's ability to use Confusion and Disable when it gets a headache.
- Koga gives Ash the Soul Badge.
- Ash and his friends look for the Safari Zone in Fuchsia City. They enter the Pokémon reserves surrounding the Safari Zone.
- Ash and his friends look for the Safari Zone in Fuchsia City. They are still in the Pokémon reserves surrounding the Safari Zone.
- Ash and his friends enter the Safari Zone in Fuchsia City.
- Ash catches thirty Tauros.
- Ash and his friends leave the Safari Zone and Fuchsia City.
- Ash and his friends cross Cycling Road. Their next Gym destination at this point is not clear.
- It is Christmas Eve.
- Ash and his friends help to save Santa Claus from Team Rocket.
- Ash's Charmander evolves into Charmeleon.
- Ash's Charmeleon starts to disobey him.
- Ash and his friends help a Jigglypuff.
- Ash's Charmeleon evolves into Charizard.
- Ash finds an egg. Brock starts taking care of it.
- Chronologically, this episode actually takes place before So Near, Yet So Farfetch'd. It was not aired in order.
- It is Princess Day.
- Jessie catches Lickitung.
- The egg hatches into Togepi.
- Togepi goes to Misty, since it saw her right after hatching and believes she is its mother.
- It is Kid's Day.
- James finds his Weepinbell has evolved into Victreebel.
- Todd leaves Ash.
- Ash and his friends arrive on Cinnabar Island.
- Ash challenges Blaine to a Gym battle.
- Ash forfeits his match with Blaine, not wanting Pikachu to get hurt.
- Blaine grants Ash a rematch after he and his friends save Cinnabar Gym.
- Ash defeats Blaine.
- Blaine gives Ash the Volcano Badge.
- Ash and his friends leave Cinnabar Island.
- A year has passed since the first episode.
- Jessie and James give Ash the Earth Badge.
- Ash and his friends arrive at the Indigo Plateau.
- The Pokémon League has its opening ceremonies.
- Krabby evolves into Kingler.
- Ash defeats Mandi and wins his first round battle at the Pokémon League.
- Ash defeats an unnamed trainer and wins his second round battle at the Pokémon League.
- Ash defeats Pete Pebbleman and wins his third round battle at the Pokémon League.
- Gary loses his fourth round battle at the Pokémon League.
- Gary returns home to Pallet Town.
- Ash defeats Jeanette Fisher and wins his fourth round battle at the Pokémon League.
- Ash loses to Ritchie in his fifth round battle at the Pokémon League.
- Ritchie loses in his quarterfinals round battle at the Pokémon League.
Orange Islands
Season 2
- Ash and his friends take a blimp to Valencia Island.
- Ash meets Professor Ivy.
- Ash gets the GS Ball.
- Brock decides to stay on Valencia Island as Professor Ivy's assistant.
- Ash and Misty crash land in Pokémon Park on Tangelo Island.
- Ash meets Tracey.
- Ash decides to travel throughout the rest of the Orange Islands and compete in the Orange League before returning to Pallet Town to deliver the GS Ball to Professor Oak.
- Ash catches Lapras.
- Tracey joins Ash and Misty.
- Ash arrives on Mikan Island.
- Cissy gives Ash the Coral-Eye Badge.
- Ash arrives on Navel Island.
- Danny gives Ash the Sea Ruby Badge.
- Ash arrives on Murcott Island.
- Tracey catches Scyther.
- Ash arrives on Mandarin Island So..
- Ash meets Prima.
- Ash arrives on Trovita Island.
- Rudy gives Ash the Spike Shell Badge.
- Ash's Charizard begins to obey Ash.
- Ash arrives on Kumquat Island.
- Luana gives Ash the Jade Star Badge.
- Ash arrives on Pummelo Island.
- Ash challenges Drake.
- Ash defeats Drake.
- Drake gives Ash the Orange League Trophy.
- Pre-episode
- Brock's heart is broken by Professor Ivy.
- Brock leaves Valencia Island.
- Brock is found by Delia outside of Pallet Town.
- Brock starts helping Delia around the house.
- Ash returns to Pallet Town.
- Ash reunites with Brock.
- Ash loses a battle to Gary, with his Pikachu being defeated by Eevee.
- Gary leaves Pallet Town to go to Johto.
- Brock rejoins Ash and Misty.
- Tracey decides to stay in Pallet Town to be Professor Oak's assistant.
- Ash receives a new version of the Pokédex, upgraded for Johto.
- Ash and his friends leave Pallet Town to go to Johto.
Johto
Season 3
- Ash and his friends arrive in Johto.
- Ash and his friends see a Suicune.
- Ash and his friends arrive in Palm Hills.
- Snubbull runs away from home and starts following Team Rocket.
- Ash and his friends leave Palm Hills.
- Ash and his friends arrive in Violet City.
- Falkner gives Ash the Zephyr Badge.
- Ash and his friends leave Violet City.
- Ash leaves Charizard at Charicific Valley.
- Ash and his friends arrive in Azalea Town.
- Ash meets Kurt.
- Bugsy gives Ash the Hive Badge.
- Ash and Misty both receive a Lure Ball.
- Brock receives a Heavy Ball.
- Ash and his friends leave Azalea Town.
- Ash and his friends arrive in Palmpona.
- Ash exchanges his Heracross for one of his Tauros.
- Jessie accidentally trades Lickitung to Benny for Wobbuffet.
- Ash and his friends leave Palmpona.
- Ash sends his Tauros back to Professor Oak's Laboratory.
- Squirtle returns to the Squirtle Squad.
Season 4
- Ash and his friends arrive in Goldenrod City.
- Ash challenges Whitney to a Gym battle but loses.
- Ash challenges Whitney to an unofficial rematch and wins.
- Whitney gives Ash the Plain Badge.
- Ash catches Beedrill.
- Ash wins the Bug-Catching Contest.
- Ash receives a Sun Stone.
- Ash gives Beedrill to Casey.
- Ash catches Seaking.
- Misty catches Seaking.
- Misty wins the Seaking Catching Day Competition.
- Ash releases Seaking.
- Misty releases Seaking.
- Pre-episode
- Gary's Eevee evolves into Umbreon.
- Madame Muchmoney's Snubbull evolves into Granbull.
- Granbull returns to Madame Muchmoney.
- Ash and his friends arrive in Ecruteak City.
- Ash meets Sakura.
- Ash and his friends leave Ecruteak City.
- Todd leaves Ash.
- Ash wins the Pokémon Sumo Competition.
- Ash receives a King's Rock.
- Ash's Chikorita evolves into Bayleef.
- Ash and his friends arrive in Olivine City.
- Ash learns that Jasmine is not accepting Gym battles at the present time.
- Ash and his friends leave Olivine City.
- Ash and his friends arrive in Cianwood City.
- Chuck gives Ash the Storm Badge.
- Ash and his friends leave Cianwood City.
Season 5
- Ash and his friends begin traveling around the Whirl Islands.
- Ash and Misty each win their first two battles in the Whirl Cup.
- Ash and Misty learn they will be facing each other in the quarterfinals.
- Ash loses to Misty in the quarterfinals.
- Misty loses to Trinity in the semifinals.
- Trinity loses to the Whirl Cup Champion.
- Ash encounters Ritchie again.
- Team Rocket traps the child Lugia.
- Pre-episode
- Zippo evolves into Charmeleon.
- Team Rocket traps the parent Lugia.
- The parent and child Lugia are rescued from Team Rocket.
- Ash parts ways with Ritchie again.
- Ash and his friends leave the Whirl Islands.
- Ash and his friends arrive in Olivine City.
- Jasmine gives Ash the Mineral Badge.
- Ash sends Bulbasaur to Professor Oak's Laboratory.
- Pre-episode
- Ash and his friends arrive in Ecruteak City.
- Ash encounters Sakura again.
- Ash meets Eusine.
- Ash and his friends see a Suicune.
- Eusine tries and fails to catch Suicune.
- Ash and his friends leave Ecruteak City.
- Ash and his friends arrive in Eggseter.
- Ash and Gary enter the Extreme Pokémon Race.
- Ash wins the Extreme Pokémon Race.
- Ash receives an egg.
- Ash and his friends leave Eggseter.
- Delibird begins following Team Rocket.
- Ash and his friends arrive at Lake of Rage.
- Ash meets Lance.
- Lance catches the red Gyarados.
- Ash meets Pryce.
- Ash and his friends leave Lake of Rage.
- Ash and his friends arrive in Mahogany Town.
- Pryce gives Ash the Glacier Badge by forfeit.
- Ash and his friends leave Mahogany Town.
- Ash turns back into a human.
- Ash and his friends see a Zapdos.
- Misty's Poliwhirl evolves into Politoed with Ash's King's Rock.
- Ash and his friends arrive in Blackthorn City.
- Ash and Clair have a Gym battle, but it's interrupted by Team Rocket.
- Ash and Clair begin their second Gym battle.
- Clair gives Ash the Rising Badge.
- Charizard returns to the Charicific Valley.
- Ash learns about the Silver Conference from Clair.
- Ash and his friends leave Blackthorn City.
- Ash encounters his Lapras again.
- Ash agrees to deliver an egg to Professor Elm.
- The egg hatches into Larvitar.
- Ash agrees to take Larvitar to Mt. Silver.
- Brock's Pineco evolves into Forretress.
- Ash and his friends see an Entei.
- Pre-episode
- Ash meets Casey again.
- James trades Victreebel to the Magikarp salesman for a Weepinbell.
- James's second Weepinbell evolves into Victreebel.
- The two Victreebel fall in love and run off together.
- Casey catches Elekid.
- Unown shows Ash and his friends the memories of Larvitar.
- Ash and his friends arrive at Mt. Silver.
- Larvitar is returned to its mother.
- Ash, Gary and Harrison qualify for the Silver Conference.
- The Silver Conference begins.
- Squirtle returns to Ash.
- Ash defeats Macy in the preliminary round of the Silver Conference.
- Macy defeats Jackson in the preliminary round of the Silver Conference.
- Ash and Jackson have a draw in the preliminary round of the Silver Conference.
- Ash, Gary, and Harrison qualify for the finals of the Silver Conference.
- Charizard returns to Ash.
- Harrison advances to the second round of the finals of the Silver Conference.
- Ash starts his battle against Gary.
- Ash defeats Gary.
- Ash advances to the second round of the finals of the Silver Conference.
- Ash starts his battle against Harrison.
- Harrison defeats Ash.
- Squirtle returns to the Squirtle Squad.
- Charizard returns to the Charicific Valley.
- Harrison loses in the semi-finals of the Silver Conference.
- Jon Dickson wins the Silver Conference.
- Harrison suggests Ash should go to Hoenn.
- Harrison goes to the Indigo League.
- Gary leaves for Pallet Town.
- Ash and his friends leave for Pallet Town.
- Ash and his friends arrive in Viridian City.
- Misty is reappointed Gym Leader of the Cerulean Gym by Daisy, Violet, and Lily.
- Misty receives her repaired bike from Nurse Joy.
- Misty leaves Ash to return to the Cerulean Gym.
- Brock leaves Ash to return to the Pewter Gym.
- Ash returns to Pallet Town.
- Ash sees Ho-Oh again.
- Ash leaves all his Pokémon but Pikachu at Professor Oak's Laboratory.
- Ash changes into his second outfit.
- Ash leaves for Hoenn.
Advanced Generation
Hoenn
Season 6
- Pre-episode
- May turns 10.
- Ash arrives in Hoenn.
- May arrives in Littleroot Town.
- Ash meets May.
- Team Rocket gives Pikachu an outlet to discharge, which recovers it from its illness.
- Pikachu destroys May's bike.
- May receives a Pokédex and her starter Pokémon from Professor Birch. She chooses Torchic.
- May joins Ash.
- Ash and May leave Littleroot Town.
- Ash and May arrive in Oldale Town.
- Giovanni assigns Jessie and James to start a Team Rocket branch in Hoenn.
- Ash and May leave Oldale Town.
- Pre-episode
- Lola returns to Pewter City.
- Lola redecorates the Pewter Gym, remodeling it to suit Template:Type2 Pokémon.
- Flint closes the Pewter Gym in embarassment.
- Brock returns to Pewter City.
- Brock fights to return Pewter Gym to a Template:Type2 Gym.
- Brock gives Forrest his Onix, Geodude, and Crobat.
- Brock changes into his second outfit.
- Brock leaves for Hoenn.
- Ash and May arrive in Petalburg City.
- Ash meets Max.
- Ash learns Norman is the father of May and Max.
- Max joins Ash.
- Max gets a PokéNav.
- Ash and his friends leave Petalburg City.
- Misty returns to the duties of being Gym Leader of the Cerulean Gym.
- Misty regains Horsea, Starmie, and the other Pokémon of the Cerulean Gym.
- Misty tames Gyarados.
- Cerulean Gym passes the inspection of the Pokémon League.
- Ash and his friends arrive in Petalburg Woods.
- May and Max meet Brock.
- Brock rejoins Ash.
- Ash catches Taillow.
- May becomes interested in Pokémon Contests.
- Ash starts teaching Pikachu Iron Tail.
- Ash and his friends arrive in Rustboro City.
- May decides to compete in Pokémon Contests instead of at Gyms.
- Roxanne gives Ash the Stone Badge.
- Ash and his friends leave Rustboro City.
- Ash and his friends arrive in Dewford Town.
- Ash challenges Brawly to a Gym battle but loses.
- Ash meets Steven Stone.
- Brawly gives Ash the Knuckle Badge.
- Ash and his friends leave Dewford Town.
- Ash and his friends arrive in Slateport City.
- May meets Drew.
- May gets a Pokéblock case.
- Ash and his friends leave Slateport City.
- Ash and his friends arrive in Mauville City.
- Ash battles the Gym Leader of Mauville City, Wattson and wins.
- Wattson gives Ash the Dynamo Badge.
- Ash and his friends leave Mauville City.
Season 7
- Treecko learns Bullet Seed.
- Misty's Togepi evolves into Togetic.
- Misty releases Togetic so it can stay and protect the Mirage Kingdom.
- Misty returns to Cerulean City.
- Ash and his friends arrive in Fallarbor Town.
- May wins the Fallarbor Town Pokémon Contest.
- May wins her first ribbon.
- Ash and his friends leave Fallarbor Town.
- Ash and his friends arrive in Lavaridge Town.
- Flannery gives Ash the Heat Badge.
- Ash and his friends leave Lavaridge Town.
- Ash and his friends arrive in Mauville City.
- Ash challenges Wattson to an unofficial Gym battle and loses.
- Ash and his friends leave Mauville City.
- Ash and his friends arrive in Verdanturf Town.
- May wins the Verdanturf Town Pokémon Contest.
- May wins her second ribbon.
- Ash and his friends leave Verdanturf Town.
- Ash and his friends arrive in Petalburg City.
- Norman gives Ash the Balance Badge.
- Ash and his friends leave Petalburg City.
- May and Max meet Professor Oak.
- Ash transfers Bulbasaur from Professor Oak's Laboratory.
- Ash transfers Bulbasaur back to Professor Oak's Laboratory.
- Ash and his friends arrive in Rubello Town.
- May competes in the Rubello Town Pokémon Contest and loses to Savannah.
- Savannah loses the Rubello Town Pokémon Contest to Drew.
- Ash and his friends leave Rubello Town.
- Ash's Taillow evolves into Swellow.
- Ash wins the PokéRinger competition.
- James gets second place in the PokéRinger competition.
- May's Torchic evolves into Combusken.
- Ash and his friends arrive in Fortree City.
- James catches Chimecho.
- Winona gives Ash the Feather Badge.
- Ash and his friends arrive in Lilycove City.
- Ash and his friends learn how to make Pokéblocks.
- Swellow learns Aerial Ace.
- May wins the Lilycove City Pokémon Contest.
- May wins her third ribbon.
- Ash and his friends leave Lilycove City.
Season 8
- Ash and his friends arrive in Mossdeep City.
- Tate and Liza give Ash the Mind Badge.
- Ash and his friends leave Mossdeep City.
- Bulbasaur learns Petal Dance.
- Ash and his friends arrive on Izabe Island.
- May meets Harley.
- May wins the Purika City Pokémon Contest.
- May wins her fourth ribbon.
- Brock's Lombre evolves into Ludicolo.
- Ash and his friends arrive in Sootopolis City.
- Juan gives Ash the Rain Badge.
- Ash and his friends leave Sootopolis City.
- Ash and his friends arrive in Pacifidlog Town.
- May wins the Pacifidlog Town Pokémon Contest.
- May wins her fifth ribbon.
- Ash and his friends leave Pacifidlog Town.
- Ash and his friends arrive in Slateport City.
- May, Drew, and Harley enter the Hoenn Grand Festival.
- May, Drew, and Harley make it through the first round of the Hoenn Grand Festival.
- May, Drew, and Harley make it through the second round of the Hoenn Grand Festival.
- Harley is defeated by May in the third round of the Hoenn Grand Festival.
- Ash's Snorunt evolves into Glalie.
- May is defeated by Drew in the third round of the Hoenn Grand Festival.
- Drew is defeated by Robert in the third round of the Hoenn Grand Festival.
- Robert wins the Hoenn Grand Festival.
- Ash and his friends travel from Slateport City to Ever Grande City.
- The Ever Grande Conference begins.
- Morrison's Beldum evolves into Metang.
- Ash, Morrison, and Tyson make it past the preliminary round of the Ever Grande Conference.
- Ash and Morrison advance to the next round of the Ever Grande Conference.
- Ash, Morrison, and Tyson advance to the next round of the Ever Grande Conference.
- Ash, Morrison, and Tyson advance to the next round of the Ever Grande Conference.
- Ash begins his battle against Morrison.
- Ash defeats Morrison and advances to the next round of the Ever Grande Conference.
- Ash begins his battle against Tyson.
- Ash is defeated by Tyson.
- Tyson becomes the Champion of the Hoenn League.
- Pre-episode
- Ash mentions that a few months have passed since he first met May and Max.
- May and Max leave Ash to return to Petalburg City.
- Ash and Brock leave Hoenn and return to Kanto.
- Brock leaves Ash to return to Pewter City.
- Ash arrives in Viridian City.
- Ash meets Scott.
- Ash challenges Agatha at the Viridian Gym and loses.
- Scott tells Ash about the Battle Frontier.
- Ash leaves Viridian City.
- Ash returns to Pallet Town.
- Ash finds Misty waiting for him at home.
- Professor Birch and Max go to Pallet Town and meet Ash there.
Kanto (Battle Frontier)
Season 8
- Pre-episode
- May leaves Beautifly and Skitty at the Petalburg Gym.
- May arrives in Pallet Town.
- May catches Squirtle.
- May leaves Bulbasaur at Professor Oak's Laboratory.
- Ash leaves Torkoal and Glalie at Professor Oak's Laboratory.
- Ash takes Phanpy from Professor Oak's Laboratory.
- Ash leaves Pallet Town with Misty, May, and Max.
- Brock rejoins Ash.
- Pre-episode
- Brock leaves his Ludicolo at Pewter Gym.
- Misty returns to Cerulean City.
- Ash and his friends arrive at the Battle Factory.
- Charizard returns to Ash.
- Noland gives Ash the Knowledge Symbol.
- Charizard returns to Charicific Valley.
- Ash and his friends leave the Battle Factory
- Ash and his friends arrive in Saffron City.
- May wins the Saffron City Pokémon Contest.
- May wins her first Kanto ribbon.
- Ash and his friends leave Saffron City.
Season 9
- Ash and his friends arrive at the Battle Arena
- Greta gives Ash the Guts Symbol.
- Ash and his friends leave the Battle Arena
- Munchlax learns Focus Punch.
- Pikachu learns Volt Tackle.
- May receives an egg.
- Ash and his friends arrive in Silver Town.
- May wins the Silver Town Pokémon Contest.
- May wins her second Kanto ribbon.
- Ash and his friends leave Silver Town.
- Ash and his friends arrive at the Battle Dome
- Tucker gives Ash the Tactics Symbol.
- Ash and his friends leave the Battle Dome
- Ash and his friends arrive at the Battle Pike
- Lucy gives Ash the Luck Symbol.
- Ash and his friends leave the Battle Pike
- Ash and his friends arrive in Wisteria Town.
- Harley wins the Wisteria Town Pokémon Contest.
- Munchlax makes its contest debut.
- Ash and his friends leave Wisteria Town.
- Ash and his friends arrive on Chrysanthemum Island.
- May wins the Chrysanthemum Island Pokémon Contest.
- May wins her third Kanto ribbon.
- Ash and his friends leave Chrysanthemum Island.
- Ash and his friends arrive at the Battle Palace.
- Spenser gives Ash the Spirits Symbol.
- Ash and his friends leave the Battle Palace.
- Ash and his friends arrive in Abelia Town.
- May wins the Abelia Town Pokémon Contest.
- May wins her fourth Kanto ribbon.
- Ash and his friends leave Abelia Town.
- Ash and his friends arrive at the Battle Salon.
- Ash challenges Anabel to a battle, but loses.
- Ash challenges Anabel to a rematch and wins.
- Anabel gives Ash the Ability Symbol.
- Ash and his friends arrive in Mulberry.
- May wins the Mulberry Pokémon Contest.
- May wins her fifth Kanto ribbon.
- Ash and his friends leave Mulberry.
- Pre-episode
- Ash and his friends arrive in Pewter City.
- Ash and his friends leave Pewter City.
- Ash and his friends arrive at the Battle Pyramid.
- Ash challenges Brandon to a battle, but loses.
- Ash and his friends leave the Battle Pyramid.
- May, Drew, Harley and Solidad advance to the second round of the Kanto Grand Festival.
- May defeats Harley in the third round of the Kanto Grand Festival.
- May defeats Drew in the third round of the Kanto Grand Festival.
- Ash catches Aipom.
- Solidad defeats May in the third round of the Kanto Grand Festival.
- Solidad wins the Kanto Grand Festival.
- Ash and his friends arrive at the Battle Pyramid.
- Ash challenges Brandon to a rematch, but loses again.
- Ash and his friends leave the Battle Pyramid.
- Ash receives a postcard from Gary which tells him about Sinnoh.
- Drew and Harley tell May they are going to take part in the Pokémon Contests in Johto.
- Pre-episode
- Charizard learns Steel Wing.
- Bulbasaur returns from Professor Oak's Laboratory.
- Charizard returns from the Charicific Valley.
- Squirtle returns from the Squirtle Squad.
- Ash challenges Brandon to a third battle.
- Ash defeats Brandon.
- Brandon gives Ash the Brave Symbol.
- Ash enters the Battle Frontier Hall of Fame.
- Bulbasaur returns to Professor Oak's Laboratory.
- Squirtle returns to the Squirtle Squad.
- Charizard returns to Charicific Valley.
- May leaves for Johto.
- Max returns to Petalburg City.
- Brock returns to Pewter City.
- Ash returns to Pallet Town.
- Ash reencounters Gary in Pallet Town.
- Gary leaves Pallet Town for Sinnoh.
- Ash receives a new Pokédex from Professor Oak.
- Ash leaves all his Pokémon but Pikachu at Professor Oak's Laboratory.
- Ash leaves Pallet Town for Sinnoh.
- Aipom follows Ash.
Diamond & Pearl
Sinnoh
Season 10
- Pre-season
- Paul receives a Pokédex and his starter Pokémon from Professor Rowan. He chooses Turtwig.
- Paul travels to Kanto, Johto and Hoenn and competes in their Pokémon League tournaments.
- Paul's Turtwig evolves into Grotle.
- Paul's Grotle evolves into Torterra.
- Paul captures a Murkrow, an Elekid, and a Weavile.
- Paul captures Ninjask and Chimchar.
- Pre-episode
- Dawn turns 10.
- Dawn leaves Twinleaf Town to become a Pokémon Coordinator.
- Dawn arrives in Sandgem Town.
- Dawn receives a Pokédex and her starter Pokémon from Professor Rowan. She chooses Piplup.
- Dawn leaves Sandgem Town.
- Dawn sees a Mesprit.
- Ash arrives in the Sinnoh region.
- Ash is separated from Pikachu.
- Dawn finds Pikachu and tries to capture it.
- Pikachu destroys Dawn's bike.
- James retrieves Carnivine, which he owned as a child.
- Brock arrives in the Sinnoh region.
- Brock joins Ash.
- Ash catches Starly.
- Ash meets Paul.
- Ash finds Pikachu.
- Ash meets Dawn.
- Team Rocket starts using their third motto.
- Ash changes into his third outfit.
- Dawn catches Buneary.
- Ash and his friends arrive in Jubilife City.
- Dawn gets a pink Pokétch.
- Dawn meets Zoey.
- Ash, Dawn, Zoey, and Jessie enter a Pokémon Super Contest.
- Ash, Dawn, Zoey, and Jessie compete in the first round of the contest.
- Ash, Dawn, Zoey and Jessie advance to the second round of the contest.
- Zoey defeats Ash in the second round, beating Aipom with Glameow.
- Zoey defeats Dawn in the second round, beating Buneary with Glameow.
- Zoey defeats Jessie in the second round, beating Carnivine with Glameow.
- Zoey wins her second ribbon.
- Ash and his friends arrive in Oreburgh City.
- Paul goes to Oreburgh Gym and challenges the Gym Leader, Roark. He wins.
- Roark gives Paul the Coal Badge.
- Ash goes to Oreburgh Gym and challenges the Gym Leader, Roark. He loses.
- Cranidos evolves into Rampardos.
- Dawn learns the next contest will be in Floaroma Town.
- Ash goes to Oreburgh Gym and rechallenges the Gym Leader, Roark. He wins.
- Roark gives Ash the Coal Badge.
- Jessie borrows Aipom.
- Dawn and Jessie enter an unofficial contest.
- Dawn and Jessie advance to the second round.
- Jessie defeats Dawn in the second round, beating Pachirisu with Aipom.
- Jessie wins a year's supply of bananas.
- Piplup learns Whirlpool.
- Dawn encounters a childhood friend, Kenny.
- Dawn, Kenny, and Jessie enter a Pokémon Super Contest.
- Dawn defeats Jessie in the second round, beating Dustox with Piplup.
- Dawn defeats Kenny in the second round, beating Prinplup with Piplup.
- Dawn wins her first Ribbon.
- Ash, Dawn and Brock enter a competition for a TV Project called Pokémon Cosplay Convention.
- Brock wins an egg.
- Ash and his friends arrive in Eterna City.
- Ash learns Gardenia is the Eterna City Gym Leader.
- Ash learns the Sinnoh creation myth.
- Team Galactic appear in the anime, including Saturn, though Ash and his friends do not meet them.
- Ash goes to Eterna Gym and challenges the Gym Leader, Gardenia. He wins.
- Gardenia gives Ash the Forest Badge.
- Ash and his friends are on Cycling Road.
- Brock's egg hatches into Happiny.
- Brock polishes a white stone into an Oval Stone for Happiny.
- Dawn, Zoey, Jessie, and Nando compete in the Hearthome City Contest.
- Dawn loses in the appeal round.
- Nando defeats Jessie in the semifinals.
- Nando defeats Zoey in the final round.
- Ash, Brock and Dawn compete in the Hearthome City Tag Battle Competition.
- Paul releases Chimchar.
- Ash and Paul, Dawn and Conway, and Brock and Holly advance in the tournament.
- Chimchar joins Ash.
- Ash and Paul face Brock and Holly. Ash and Paul win and advance to the finals.
- Dawn and Conway advance to the finals.
- Ash and Paul face Dawn and Conway in the finals.
- Paul's Elekid evolves into Electabuzz.
- Ash and Paul win Soothe Bells.
- Paul gives his Soothe Bell to Ash.
Season 11
- Gardenia reappears.
- Gardenia and James have a tag battle against Ash and Dawn using Turtwig, Cacnea, Aipom, and Pachirisu. Ash and Dawn win.
- Cacnea learns Drain Punch.
- James gives Cacnea to Gardenia.
- Zoey reappears.
- Ash is training for his next Gym battle in Veilstone City.
- Dawn is training for her next Contest in Solaceon Town.
- Aipom is having a hard time concentrating on Ash's training.
- Buizel is having a hard time concentrating on Dawn's training.
- Zoey suggests Ash and Dawn trade Aipom and Buizel.
- Ash and Dawn use each other's Buizel and Aipom in battle against Team Rocket.
- Ash and Dawn officially trade Aipom and Buizel.
- Ash and his friends explore the Solaceon Ruins.
- Dawn's Aipom evolves into Ambipom.
- Saturn steals a cube from the Solaceon Ruins.
- Dawn competes in a Pokémon Contest in Solaceon Town.
- Dawn loses in the Appeals Round in the Solaceon Town Contest.
- Jessie wins the Solaceon Town Contest with her Dustox.
- Ash, Brock, and Dawn enter a town having a problem with trapped Gligar.
- Paul uses his Electabuzz and Weavile to capture the Gligar's leader, a Gliscor.
- Ash, Brock, and Dawn help Nurse Joy and Officer Jenny chase the Gligar from the town.
- One Gligar remains behind, and chooses to go with Ash.
- Ash and his friends encounter Hippopotas once more.
- Cassidy and Butch show up in the Sinnoh region and get into an argument with Jessie and James.
- Ash and his friends arrive in Veilstone City.
- Maylene denies Ash's request for a Gym Battle.
- Ash and co. meet Paul's older brother, Reggie.
- Ash battles Reggie.
- Maylene agrees to a confidence-boosting match against Dawn.
- Ash trains his Staravia to use Brave Bird.
- Dawn battles Maylene in a Gym Battle.
- Maylene defeats Dawn.
- Ash battles Maylene in a Gym Battle.
- Buizel learns Water Pulse.
- Ash's match with Maylene ends in a draw.
- Maylene gives Ash the Cobble Badge.
- Team Galactic arrives in Veilstone City to steal its meteorites.
- Saturn's Toxicroak battles Brock's Croagunk.
- Ash, Dawn, Brock, Maylene, and Reggie fight off Team Galactic.
- Pikachu and Paul's Electabuzz begin to get along.
- Team Galactic flees.
- Ash and his friends meet Kellyn.
- The group meet a Riolu that can use Aura Sphere.
- Pokémon Hunter J attempts to steal the Riolu.
- Dawn learns of Ash's aura abilities.
- Dustox meets a Shiny Dustox.
- Ash, his friends, and Team Rocket learn of the Dustox breeding ceremony.
- Jessie releases Dustox.
- Pikachu loses a battle against a boy's Raichu.
- Ash reveals that he still has the Thunderstone given to him in Vermilion City.
- Pikachu decides once again not to evolve into Raichu.
- Pikachu defeats Sho's Raichu.
- Jessie, James, and Meowth steal the Thunderstone Ash saved.
- Dawn learns about the Wallace Cup, a special Pokémon Contest that offers a ribbon redeemable at any regional Grand Festival as a prize.
- Ash and his friends meet Wallace, former Sootopolis City Gym Leader and Hoenn Champion.
- May calls Ash from Snowpoint City.
- Pre-episode
- May joins Ash, Dawn, and Brock at Valor Lakefront to compete in the Wallace Cup.
- May and Ash show Dawn the Ribbon they tied to win in Once More with Reeling.
- Pre-episode
- May, Ash, Dawn, and Zoey compete in the Wallace Cup.
- Pre-episode
- May, Ash, Dawn, and Zoey continue to compete in the Wallace Cup.
- Ash sees Azelf's projected soul at Lake Valor.
- Ash drops out of the Wallace Cup in the quarterfinals.
- May, Dawn, and Zoey continue to compete in the Wallace Cup.
- Zoey drops out of the Wallace Cup in the semifinals.
- May and Dawn face each other in the finals of the Wallace Cup.
- Dawn and Piplup narrowly defeat May and Glaceon in the finals.
- Dawn wins the Aqua Ribbon.
- May returns to Johto to compete for two more Ribbons.
- Ash, Dawn, and Brock continue on their way to Pastoria City.
- The group meets Tyler, a rookie trainer who is trying to capture a Yanma.
- Jessie captures Yanma before Tyler can.
- Jessie, James, and Meowth send Yanma to Giovanni via TRDelibird ([[{{{2}}} (move)|{{{2}}}]]).
- Giovanni deems Yanma to be weak and returns it.
- Jessie decides to train Yanma.
- Jessie's Yanma uses AncientPower and evolves into Yanmega.
- Crasher Wake gives Ash the Fen Badge.
- Ash's Gligar learns X-Scissor.
- Ash, Dawn and Brock meet up with Gary.
- Gary gives Ash a Razor Fang.
- Ash's Gligar evolves into Gliscor.
- Dawn wins the Hearthome Collection with Buneary.
- Dawn wins her third ribbon in the Celestic Town Contest.
- Team Galactic steals the Adamant Orb from a police airplane.
- Ash and his friends meet Cynthia again.
- Ash and his friends meet Professor Carolina, who is Cynthia's grandmother.
- Saturn's Toxicroak defeats Brock's Croagunk.
- Ash and his friends confront Team Galactic, but fail in getting back the Lustrous Orb.
- Team Galactic steals the Lustrous Orb from Celestic Town.
- Ash, Brock and Dawn meet Aaron of the Elite Four.
- Pre-episode
- Paul earns the Relic Badge from Fantina.
- Ash's Turtwig evolves into Grotle.
- Paul's Torterra helps Grotle deal with its decreased speed.
- Ash, Brock, and Dawn meet Barry.
- Ash prepares to have an official Gym battle rematch with Fantina.
- Barry and Ash battle. Ash comes out the victor.
- Fantina gives Ash the Relic Badge.
- Jessie wins her second ribbon in the Majolica Contest with her Yanmega.
- Ash and co. reach Canalave City.
- The group's Pokémon are blasted away to various points in Canalave City.
- Barry leaves the group to train on Iron Island.
Season 12
- Pre-episode
- Dawn's Piloswine starts disobeying her.
- Dawn's Piloswine evolves into a Mamoswine.
- Grotle begins to utilize the lessons that were taught to it by Paul's Torterra.
- Ash battles for his sixth Sinnoh Badge, against Byron.
- Ash earns his sixth Gym Badge, the Mine Badge.
- Dawn wins her fourth Ribbon in the Chocovine Town Contest.
- Ash's Grotle learns Rock Climb.
- Dawn competes in a Pokémon Contest in Sandalstraw Town.
- Kenny defeats Dawn and wins his fourth ribbon.
- Ash battles Candice of the Snowpoint Gym for his seventh Sinnoh Badge.
- Ash earns the Icicle Badge from Candice.
- Brandon arrives in Snowpoint City.
- Paul challenges Brandon, with Paul losing easily.
- J returns and awakens Regigigas.
- Ash and Co., along with Brandon, stop J.
- Ash and Co. meet Looker, of the Internation Police Force.
- Brock sees Uxie at Lake Acuity.
- Ash and co. once again run into Team Galactic at Mt. Coronet.
- Ash and Brock meet Johanna. Dawn battles Johanna and loses.
- Ash wins the Twinleaf Festival and battles Palmer of the Sinnoh Battle Tower, but loses.
- James enters a contest passing by Jessilina and wins, so Jessie gets her third ribbon. Dawn loses to James in the semi-finals.
- Cyrus hires Pokémon Hunter J to capture Mesprit, Azelf and Uxie.
- Pokémon Hunter J catches Mesprit, Azelf, and Uxie for Team Galactic.
- Cyrus summons Dialga and Palkia and disappears through the portal created by them.
- Saturn, Mars, and Jupiter are arrested, bringing down Team Galactic.
- Ash captures a Gible which he befriended in A Meteoric Rise to Excellence!.
Season 13
- Dawn, Ursula, and Jessie enter the Daybreak Town Contest, with the 3 making it to the Battle Round.
- Ursula defeats Jessie in the Battle Round of the Daybreak Contest.
- Dawn defeats Ursula in the finals, earning her 5th and final ribbon.
- Barry and Paul meet for the first time.
- Barry has earned the 8 Sinnoh Badges, qualifying him for the Sinnoh League.
- Ash battles Barry briefly.
- Ash's Monferno activates Blaze again and gets out of control.
- Monferno evolves into Infernape.
- Dawn's Piplup learns Hydro Pump.
- Ash and co. meet Flint.
- Volkner refuses to battle Ash.
- Ash battles Flint, losing.
- Volkner decides to battle Ash.
- Ash's Grotle evolves into Torterra and learns Leaf Storm.
- Jessie wins her fourth ribbon in the Neighborly Town Contest.
- Ash and his friends meet Bertha.
- Princess Salvia wins the Arrowroot Town Contest, and gives the Ribbon to Jessie.
- Jessie obtains her 5th Ribbon, thus qualifing for the Sinnoh Grand Festival.
- Princess Salvia gives her Togekiss to Dawn.
- The gang arrive at Valor Lakefront for the Grand Festival.
- Pre-episode
- Kenny's Prinplup evolves into an Empoleon; he is also revealed to have obtained a Floatzel.
- Dawn enters the Grand Festival alongside Zoey and Jessilina.
- Nando, Kenny, and Ursula earned their fifth ribbons and enter the Grand Festival as well.
- Ursula is revealed to have obtained two Eevee, which she evolves into a Vaporeon and a Flareon during her appeal.
- Dawn, Nando, Ursula, Zoey, and Jessilina successfully clear the appeals round; however, Kenny fails to make it through and is eliminated from the Grand Festival.
- Dawn beats Ursula and advances to the Top 16 round of the Sinnoh Grand Festival.
- Zoey, Nando, and Jessilina also advance to the Top 16 round of the Sinnoh Grand Festival.
- Pre-episode
- Zoey's Misdreavus evolves into a Mismagius.
- Nando's Roselia evolves into a Roserade, while he is also revealed to have captured a Lopunny.
- Zoey and Dawn defeat Nando and Jessilina, respectively, and advance to the finals of the Sinnoh Grand Festival.
- Pre-episode
- Zoey's Kirlia evolves into a Gallade.
- Zoey defeats Dawn in the final round of the Sinnoh Grand Festival, winning the Ribbon Cup as well as the title of Top Coordinator.
- Jessie decides to give up on Pokémon Contests after seeing Dawn lose.
- Ash learns that Sunyshore Gym is fully repaired and Volkner is ready for their Gym Battle.
- Ash arrives back at Sunyshore Gym for his Gym Battle against Volkner.
- Ash's Infernape's Blaze is activated again, and it gains control of the ability for the first time.
- Ash defeats Volkner and earns the Beacon Badge, allowing him to participate in the Sinnoh League.
- Ash and his friends encounter Jasmine.
- Dawn meets Jasmine.
- Flint and Kenny battle and defeat Jasmine and Ash, respectively.
- Ash and his friends arrive at Lily of the Valley Island for the Lily of the Valley Conference.
- Paul, Barry, Nando and Conway also enter the Lily of the Valley Conference, the latter two having earned the eight Gym Badges required.
- Ash decides to use the Pokémon he has stored at Professor Oak's Laboratory alongside the Pokémon he has acquired in Sinnoh during the tournament, and spends time with several of them.
- Ash's Cyndaquil is revealed to have learned Flame Wheel.
- Ash's Cyndaquil evolves into Quilava and learns Eruption.
- Ash learns he will be battling Nando in the first round of the tournament.
- The Sinnoh League tournament on Lily of the Valley Island begins.
- Ash's Quilava is revealed to have learned Aerial Ace while his Heracross is revealed to have learned Sleep Talk and Focus Punch.
- The gang learn that a mysterious trainer has entered the tournament with a Darkrai.
- Ash wins his first battle against Nando, knocking him out of the Lily of the Valley Conference.
- Barry, Conway and Paul also make it through the preliminaries.
- Ash, Paul, Barry, Conway, and Tobias make it through the second round of the Lily of the Valley Conference.
- Paul and Barry are selected to battle each other in the third round of the Lily of the Valley Conference while Ash is selected to battle Conway.
- Paul's Electabuzz is revealed to have evolved into an Electivire, and Electivire is revealed to have learned Giga Impact upon its evolution to its final form.
- Barry is revealed to have captured a Skarmory and a Hitmonlee.
- Paul defeats Barry and advances to the quarter finals of the tournament.
- Ash's Infernape learns Flare Blitz.
- Conway is revealed to have obtained a Shuckle, a Lickilicky, and a Dusknoir.
- Ash's Noctowl is revealed to have learned Extrasensory, Air Slash, and Sky Attack.
- Ash's Gible masters Draco Meteor.
- Ash defeats Conway and advances to the next round.
- Ash learns that he will face Paul in the quarter-final of the Lily of the Valley Conference.
- Ash's Gliscor returns to Ash for the battle against Paul.
- Tobias advances to the quarter-final.
- In the Lily of the Valley Conference quarter-final, Ash and Paul begin their second full battle.
- Paul is revealed to have obtained a Drapion and a Gastrodon while his Lairon is revealed to have evolved into an Aggron.
- Ash and Paul continue their full battle.
- Ash's Gliscor is revealed to have learned Stone Edge.
- Paul is revealed to have obtained a Froslass.
- Ash and Paul continue their full battle.
- Infernape's Blaze ability activates. Infernape gets control of the ability.
- Ash wins the battle and goes to the semi-finals.
- In the Lily of the Valley Conference semi-final, Ash battles Tobias.
- Tobias is revealed to have a Latios.
- Ash loses to Tobias and is eliminated from the Lily of the Valley Confence.
- Brock's Happiny evolves into Chansey and learns Softboiled.
- Nurse Joy suggests to Brock that he trains to become a Pokémon Doctor.
- Ash and co. reach Twinleaf Town.
- Dawn decides to remain in Sinnoh, Brock decides to train to become a Pokémon Doctor while Ash renews his vow to become a Pokémon Master.
- Ash and Brock return to Kanto and go their separate ways.
- Ash and Ash's Pikachu reach Pallet Town.
Best Wishes series
Unova
Best Wishes
- Ash and Pikachu travel with Delia and Professor Oak to the Unova region where Professor Oak is attending a conference. Deerling's spring coat indicate it is springtime in Unova.
- Ash learns that all of the Pokémon that live in the Unova region cannot be found in Kanto, Johto, Hoenn or Sinnoh.
- Ash and company meet Professor Juniper.
- Team Rocket also arrive in the Unova region, having been assigned there by Giovanni.
- Pikachu becomes temporarily unable to use Electric-type attacks after being hit by lightning caused by Zekrom.
- Ash meets a photographer and beginning Trainer by the name of Shooti.
- Shooti obtains a Snivy from Professor Juniper then battles Ash's Pikachu and wins.
- Zekrom appears again and Pikachu is given back his electric powers.
- Ash decides to remain in Unova and challenge it's Pokémon League.
- Ash learns the first Unova League Gym is in Striaton City.
- The Oshawott from Professor Juniper's lab starts to follow Ash.
- Ash meets a mysterious girl named Iris and her Axew.
- Jessie and James are revealed to have left all their Pokémon at Team Rocket's Headquarters.
- Ash captures a Pidove.
- Jessie captures a Woobat.
- The Oshawott from Professor Juniper's laboratory that has been following Ash since In The Shadow of Zekrom! joins his team.
- Ash captures a Tepig
- Ash and Iris arrive at Striaton City, and meet Cilan.
- Rather than challenging just one of the leaders, Ash challenges all of the Gym Leader trio of Cilan, Chili and Cress to a gym battle.
- Ash loses to Cress, defeats Chili and starts his battle with Cilan.
- Ash's Tepig and Oshawott are revealed to know Tackle.
- Ash's Oshawott is revealed to know Shell Blade.
- Ash defeats Cilan and earns the Trio Badge.
- Ash, Cilan and Iris agree to travel together through Unova.
- Ash learns that the next Unova Gym is at Shippou City.
- Axew's dream reveals that it wants to reach its final evolutionary stage.
- Team Rocket meets a stranger who gives them a mysterious item and tells the to head for Shippou City.
- Iris is revealed to have a Excadrill.
- Iris's Axew is revealed to know Scratch and Dragon Rage.
- Team Rocket is told to go to the Resort Desert
- Ash encounters Shooti again whom Iris meets for the first time.
- It is revealed that, like Nurse Joy and Officer Jenny, there is a Don George that runs a Battle Club in multiple cities in the Unova region.
- Jessie, James and Meowth meet TRFlint ([[{{{2}}} (move)|{{{2}}}]]) for the first time.
- It is revealed that Shooti has obtained the Tri Badge, as well as another badge.
- Ash and Shooti decide to have their second battle.
- It is revealed that Shooti's Snivy has evolved in to Janovy and that he has obtained a Hatooboo and Pururiru.
- Ash's Snivy is revealed to know Leaf Blade.
- Shooti defeats Ash in their battle.
- Cilan's Pansage is revealed to know Dig.
- Cilan catches an Ishizumai.
- Jessie, James and Meowth receive a dummy meteorite from a Team Rocket agent.
- Ash receives a Pokémon egg.
- Jessie, James, and Meowth arrive in Shippou City.
- Ash gets a new badge case from Bianca, given to her by Professor Juniper.
- Ash battles Bianca and wins.
- Ash, Iris, and Cilan arrive in Shippou City.
- Ash and co. meet Kidachi and Aloe.
- Ash challenges Aloe to a gym battle.
- Ash battles Aloe and loses.
- Team Rocket steals the meteorite from Shippou Museum.
- Ash's Tepig learns Nitro Charge.
- Ash's Oshawott learns Aqua Jet.
- Aloe's Yorterrie is reveled to have evolved.
- Ash obtains the Basic Badge
- Ash's egg hatches into a Zuruggu.
- Jessie, James, and Meowth deliver the meteorite they stole from Shippou Museum to Professor Seger for analysis.
- Ash and Iris have their first battle using Zuruggu and Axew, respectively. The battle results in a draw.
- Ash and friends reach Yaguruma Forest and meet Castelia City Gym Leader, Arti.
- Ash captures a Sewaddle.
- Ash sends one of his Pokémon to Professor Juniper and adds Sewaddle to his team.
