Boxes, bottles, cans. Garbage. Abandoned, ignored, inert. Until nightfall. Slim is a resigned cardboard box. but his fate changes when a kid toy box, Spark, involves him and his pals in an adventure that will change their life forever.

After a scientific experiment leads to the creation of a clone of Mewtwo, he sets out to destroy the world. Ash and his friends then decide to thwart Mewtwo's evil plans.

Ash Ketchum tem 10 anos, o que significa que ele já tem idade suficiente para se tornar um instrutor de Pokémon. Ash sonha muito sobre as aventuras que ele experimentará depois de ganhar seu primeiro Pokémon do Professor Oak.