Ash Ketchum heads off to a new region, Alola, wearing a new set of clothes with his partner Pikachu. He receives a Z-Ring and becomes a student at the Pokémon School on Melemele Island.
Episode 1: Alola to New Adventures!
Ash and Pikachu arrive in the Alola region with his mom to discover new Pokemon and new Alolan forms. Ash enrolls in Pokémon school to learn about them. The night before Ash's mother returns to Kanto, Tapu Koko appears and gives Ash a Z-Ring.
Episode 2: The Guardian's Challenge!
Having arrived at his new Pokémon school, Professor Kukui who is the teacher and its students host a surprise welcome party for Ash. Soon after, the guardian Pokémon, Tapu Koko, pays another visit to Ash to battle Pikachu. Tapu Koko teaches Ash how to use the Z-Ring. Ash and Pikachu manage to unleash the Z-Move, Gigavolt Havoc, but the Z crystal is soon shattered after Pikachu's immense release of power. In order to regain the power of Z-moves, Ash decides to go through the island trials.