Ash takes on his first assignment as an Ultra Guardian on an action-packed Ultra mission! The never-before-seen Pokémon Buzzwole has appeared. It is super-strong, and it's attacking Pokémon left and right! Can Ash, Pikachu, and their friends catch this UItra Beast and help it return safely to its world?

Originally published as "Buzzwole Battle" in Pokémon: Battle with the Ultra Beast.