Arriving on Migration Island, Ash & Co. witness a massive amount of Metapod evolve into Butterfree and fly away, as is tradition on the island. However, as the Butterfree leave, Ash notices a wild Caterpie emerge, having not even evolved into Metapod yet. Remembering his own Butterfree, Ash decides to help the Caterpie to evolve so it can leave on time with its family. However, Caterpie struggles with the training due to its love of sleep, but things get even worse when wild Ursaring appear and start causing hassle. Will Ash be able to help the Caterpie?

Continuing their travel across Big Island, Ash & Co. become witness to a rare event, the 1,000 year awakening of the Pokémon Jirachi, who only wakes for seven days. As Pikachu and Axew play with Jirachi, Ash decides to introduce itself but Jirachi, scared of humans, backs away and leaves. Ash is disheartened by this but soon meets a girl who is looking for Jirachi to make her wish to make the land fertile come true. Ash & Co. decide to help her with this but struggle to find Jirachi in the seven days it's awake. However, the moment they do, Team Rocket appears and attacks. Will Team Rocket manage to get the weakened Jirachi, or will the wish be granted?