Ash and Goh are having a blast researching, battling, and catching Pokemon all over the world! But when Goh's friendship with his partner Scorbunny is put to the test, he discovers what it means to be a Pokemon Trainer. Then, Ash has his first Pokemon World Coronation Series battle against an electrifying opponent, Team Rocket helps out a movie star Ditto with stage fright, and Chloe and Yamper befriend a lost Pidove. And when Pikachu becomes jealous of Ash's new partner Riolu and runs away to Pallet Town, can an exasperated Mimey convince Pikachu to return to Ash?