Pokemon: Pikachu no Wanpaku Island

Pikachu and the other Pokémon are enjoying a day at the beach when an exhausted Wynaut arrives asking for help. Meowth and several other Pokémon have seized a nearby island playground from Wynaut's friends, leaving them too frightened and weak to take it back.

Pikachu refuses to leave them helpless. He and his companions begin training the island Pokémon so they can stand up for their home, turning games and practice into preparation for a showdown with Meowth, Exploud, Hariyama, and the rest of the group occupying their playground.