Pokémon The First Movie: Mewtwo Strikes Back

Pokémon: The First Movie, originally released as Thearetical Edition Pocket Monsters: Mewtwo's Counterattack is a 1998 Japanese animated film directed by Kunihiko Yuyama. It's the first Thearetical release in the Pokémon franchise.

The English version of the series was created by 4Kids Entertainment.