The mysterious Ultra Beast, Poipole, appears once again, seemingly attracted to Pikachu's electricty. At one point during the school day, while Ash is distrated, Poipole appears and takes Pikachu somewhere. What does Poipole want with Pikachu? When Team Rocket soon appear, trouble may be abound for both the Pokémon. Will they be able to protect themselves?

Sophocles has found a massive piece of bamboo buried in the ground, but while unburying it, he finds a face which starts laughing. Thinking it's a character from a story he heard as a child, he requests everyone's help to dig it out. However, Team Rocket also have their eyes set on it. What is this Pokémon? Will Ash & Co. be able to protect it?