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EP070 : Go West Young Meowth
Original series
EP072 : The Ancient Puzzle of Pokémopolis
To Master the Onixpected!
Enter Siba of The Big Four!
First broadcast
Japan November 19, 1998
United States October 11, 1999
English themes
Opening Pokémon Theme
Japanese themes
Opening めざせポケモンマスター
Ending タイプ・ワイルド
Animation Team Ota
Screenplay 武上純希 Junki Takegami
Storyboard 井上修 Osamu Inoue
Assistant director 井上修 Osamu Inoue
Animation director 梶浦紳一郎 Shin'ichirō Kajiura
Additional credits

To Master the Onixpected! (Japanese: してんのうシバとうじょう! Enter Siba of The Big Four!) is the 71st episode of the Pokémon anime. It first aired in Japan on November 19, 1998, and in the United States on October 11, 1999.

Spoiler warning: this article may contain major plot or ending details.


With only three weeks left before the Pokémon League competition, Ash, Brock and Misty head up to Mt. Hideaway to find one of the Elite Four Trainers. Ash and Brock hope he will teach them the real secrets of Pokémon training, but what they really learn is that Mt. Hideaway is the land of overgrown Onix!


With three weeks left until the Pokémon League competition, Ash has fallen behind in training. At Ash's home, Ash and Brock watch Bruno of the Elite Four battle a Trainer with his Hitmonchan on television. As Bruno commands a Thunder Punch, the TV turns off. Misty chastises Ash for goofing off, but Ash explains that they were studying the tape of Bruno. Brock adds that they were learning the "powers of Pokémon", despite not knowing what those powers were. Ash comments that Bruno could train him to learn the powers. However, Brock and Misty lament that the famous Bruno wouldn't waste his time with them. Ash asserts that if they knew how to find him, then Bruno would definitely teach him. Just then, Delia enters, telling the group that Bruno may be at his secret training ground on Mt. Hideaway. Ash jumps up and tells his mother not to make dinner, as he has immediately decided to head with his friends to Mt. Hideaway.

On their way to the mountain, Misty tells the group that Mt. Hideaway appears to be only seven miles away. Ash and Brock, completely exhausted, convince Misty that they should rest. The group stop at a house where an old lady brings them food and drink. Ash asks her if she knows of a Pokémon Trainer named Bruno training around the area. The old lady doesn't recognize the name, but tells them that Pokémon Trainers have been stealing her meatball kebabs. As Ash and Brock eat, a bunch of windchimes start rattling. The lady angrily tells them that the thieves must be back again. Push broom in hand, the lady runs out followed by Ash and his friends. They see three hermits running off with sacks. The lady gives chase as Ash recognizes the bandits as Team Rocket. They tell Ash that because they always get beaten by him, they have decided to become hermits and live off the land, or as Meowth adds, the old lady's meatball kebabs. The enraged old lady gives Team Rocket a beating with her broom and the troublesome trio run away leaving behind the kebabs. The lady tells Ash and his friends that the mountain is known for overgrown Onix; the area's fertile soil having allowed them to grow larger than usual. However, the lady assures everyone that the Onix are very gentle.

Continuing up the mountain, Brock comments that they have been walking for hours but haven't seen any sign of Bruno or any giant Onix. Ash notices what he thinks is a road, but Brock thinks it is instead tracks made by a really big creature. Suddenly an intense rumbling is heard and the group turns to see an enormous Onix heading their way. The Onix approaches as the three run for their lives. A man beckons them to jump behind a rock, which saves the group from being crushed as the Onix rushes by. The man asks if they are okay. The group turn to thank him and Ash and Brock are amazed to see that it is Bruno. Ash and his friends begin trailing Bruno up the mountain, when Bruno asks if there is a reason why they are following him. Brock gets on his knees, and asks him to help Ash train for the Pokémon League. Brock motions for Ash to ask as well. Bruno agrees to help them as long as they are willing to do everything he tells them to do.

Their first task is to carry buckets of water. Brock theorizes that the task is to make them physically strong. Ash adds that it may also help with inner balance and outer equilibrium. However, he trips, soaking Misty. Their second task is splitting wood. Bruno explains that this is to give Ash a firm grip. Ash chops the wood successfully, though a rogue piece hits Misty in the face and knocks her off the rock she was sitting on. The third task is to carry heavy rocks up hill. Bruno explains that this will teach them how to control their 'inner nature'. Finally, Bruno asks Ash to peel the bark of a twig. Ash peels it perfectly. Bruno takes it and tells them the lesson is to always pack a fork when camping. Bruno breaks the twig in two and uses them as chopsticks. Ash is a little discouraged by this and Misty says she thinks all of Bruno's lessons seem phony. Brock denies this and is ready to prove Bruno is a great Trainer. Brock says that he will sneak up behind him and hit him with a stick, claiming Bruno should sense Brock and stop the attack. Brock envisions him doing so and goes behind Bruno and attacks full force. Bruno fails to detect anything and Brock strikes him hard over the head leaving a large bruise.

As Bruno recovers from the incident, he asks Brock and Ash if they really want to know about the secrets of Pokémon training. Brock and Ash eagerly reply yes. Bruno tells them there are no such secrets and the reason he was on Mt. Hideaway was to catch the biggest Onix he could find. Bruno says that it's no secret that to be a strong Trainer you have to catch strong Pokémon. These revelations leave Ash and his friends distraught. Team Rocket overhear the conversation and plan to catch a strong Onix so they can be as good as the Elite Four without having to do any Pokémon training.

Following the gigantic Onix tracks, Meowth believes that they have no hope of catching such a big Pokémon. Jessie and James reveal that they have a secret weapon for catching Onix. At the end of the Onix tracks, Team Rocket set themselves in wait of the Onix. The ground begins rumbling as an enormous Onix bursts from underground. The Onix is much bigger than they were expecting and Meowth suggests they abandon the idea. Jessie stubbornly asserts that they came for an Onix and that's what they will get.

Ash and his friends are heading back down the mountain when they hear a loud noise. They race off to the source of the sound. Meanwhile, Team Rocket are blasting missiles at the giant Onix. The smoke clears and the Onix is completely unharmed and begins advancing towards them. Terrified, the trio run into a nearby cave. The Onix begins tackling the wall of the cave causing it to start collapsing. Team Rocket are shouting for help as Ash and the others arrive. To save Team Rocket, Brock sends out Onix, Misty sends out Staryu, and Ash sends out Squirtle. Brock orders his Onix to use Tackle, but it gets knocked back by the wild Onix's size. Misty tells Staryu to use Water Gun, but it is largely ineffective. Ash also orders Squirtle to use Water Gun, and the combined water attacks cause the Onix to recoil from the cave. Team Rocket take the opportunity to run for their lives. The wild Onix recovers from the double Water Gun attack and uses its tail to hit Staryu, Squirtle, and Onix before sending Team Rocket on their way. The Onix then notices Ash and his friends standing on the ledge above. The Onix tackles the edge where they are standing, causing Ash to lose his balance and fall right in front of the Onix. Pikachu jumps down and uses his Thunder Shock attack, but Onix just shakes it off. Pikachu is about to try again before Ash grabs him, reminding Pikachu that Electric-type attacks won't work. They huddle together awaiting Onix's next attack. But before Onix can strike, a lightning-fast Bruno leaps in and carries Ash and Pikachu to safety. Bruno looks down at the Onix which is thrashing around. Ash and Brock ask him what Pokémon and attack he will use. Bruno states that he will not use a Pokémon.

Bruno jumps down and asks Onix why it is acting so violent. The Onix dives at him several times, but Bruno dodges its hits and continues asking it why it is attacking him. Bruno then jumps on Onix's head. Onix whips his tail around, which misses Bruno and instead connects with its own head. Bruno requests it not to be afraid of him and asks it to let him know what it is feeling. He closes his eyes and concentrates for some time. He then starts feeling around Onix's body. Eventually he finds something between Onix's rocks. Asking Onix to bear with the momentary pain, he strains before pulling out a Sandslash. Ash and his friends are shocked. Ash checks his Pokédex; apparently, the Sandslash was irritating Onix the whole time and causing it to act aggressively. Bruno lets the Sandslash go and asks Onix if it wants to come with him. Onix accepts and Bruno catches it in a Poké Ball. He jumps back up to Ash and his friends. He then tells them the true secret to being a successful Pokémon trainer is for Pokémon and humans to care for each other, like Ash and Pikachu—who then look at each other and start laughing gleefully. Bruno says farewell, telling Ash that he looks forward to facing him in battle. Ash and Pikachu continue to laugh together, excited to be one day closer to the Pokémon League.

Major events

For a list of all major events in the anime, please see the history page.



Pokémon debuts



Dare da?


Who's That Pokémon?

Who's That Pokémon?: Alakazam (US and international), Onix (Bruno's; giant) (Japan)



  • When fighting Onix, Ash says that Electric-type attacks don't work on Rock types. However, they actually have no effect on Ground types (this confusion may stem from the fact that most Rock types in Generation I, notably with the only exceptions being the five Fossil Pokémon, were also Ground types).
  • In one shot, Bruno is shown to have six fingers.
  • Misty says "Looks like Mt. Hideaway is only seven or eight miles from here", even though she was standing on Mt. Hideaway and looking over towards Pallet Town.
  • Ash's Japanese voice can be heard when falling down the cliff and before he is about to get crushed by the Giant Onix.

Dub edits

  • Pikachu's Jukebox: Viridian City
  • The word ougi (奥義), or "esoteric techniques", is translated as "secret" in the dub.
  • Throughout the episode, dango is consistently referred to as "muskrat meatballs" and "meat kabobs".
  • In the original, Brock expresses his admiration of the giant Onix, while Misty tells him now isn't the time to act so impressed. In the dub, he says he'd like to study him, and Misty quips that maybe he can if they survive.
  • A running gag is present in the original during the training montage. After Ash douses Misty with water, and then launches a piece of firewood at her head, he says he "didn't do that on purpose" both times. When Ash later picks up a rock and starts falling toward Misty with it, Misty says "you're doing this on purpose after all!" as she runs away.
  • In the original, Bruno exposes his façade by making a pun on 奥義 (esoteric technique) and 扇 (folding fan), while in the dub he says the lesson is to always bring a fork when going camping. Also, Bruno's rice porridge is referred to as his "Bruno stew" in the dub.
  • In the original, Jessie tells Meowth that they have a secret weapon, and Meowth says that's just their usual bazooka. In the dub, she tells him they have something "Onix-pected", and Meowth says that joke is "Onix-cceptable".
  • In the last scene of the original, the Rocket trio pretends they're narrating a nature show, while in the dub they make rock puns instead.
  • The scene in which Brock hits Bruno's head with a log is removed from the Hindi MarvelHQ dub.

In other languages

EP070 : Go West, Young Meowth
Original series
EP072 : The Ancient Puzzle of Pokémopolis
Project Anime logo.png This episode article is part of Project Anime, a Bulbapedia project that covers all aspects of the Pokémon anime.