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 really 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?