Pokemon Movie 01: Mewtwo no Gyakushuu
English title: Pokémon: The First Movie - Mewtwo Strikes Back
Japanese title: ポケットモンスター ミュウツーの逆襲
Alternative titles: Gekijouban Pocket Monsters: Mewtwo Strikes Back, Pokémon Movie 1, Pokémon: The Origin of Mewtwo, Pokémon: The First Movie Kanzenban, Pokémon: The First Movie Complete Version
Type: Movie
Source: Game
Episodes: 1
Status: Finished Airing
Aired: Jul 18, 1998
Duration: 1 hr 25 min
Rating: PG - Children
Studios: OLM
Producers: TV Tokyo, Imagica, Shogakukan Productions
Licensors: 4Kids Entertainment, Warner Bros. Pictures
Genres: Action, Adventure, Award Winning, Comedy, Fantasy
Demographics: Kids

Using the fossil of the Legendary Pokémon Mew, Team Rocket has created the first successful Pokémon clone. Named Mewtwo, the man-made Pokémon quickly becomes upset with the circumstances of its creation and goes on a rampage. It is soon approached by Sakaki, the leader of Team Rocket, and is manipulated into committing evil acts.

Repulsed by the tricks of mankind and the cruelties it has suffered, Mewtwo isolates itself from everyone and plots against humans whilst trying to discover its true purpose in life. Disguising as the world's strongest Pokémon trainer, Mewtwo draws in the region's most powerful trainers who want to fight the new, mysterious opponent. With the fate of the world at stake, renowned trainers Satoshi, Takeshi, and Kasumi must battle against Mewtwo and defeat it before it brings about the downfall of humanity.

[Written by MAL Rewrite]

The Origin of Mewtwo was originally not included with the theater release but every subsequent release has included it, so this entry includes it as well in its runtime. Pokemon Movie 01: Mewtwo no Gyakushuu won the Feature Film Award in the 3rd Animation Kobe Awards in 1998. The film chronologically takes place after episode 67 of Pokemon.