Guzma, the leader of Team Skull arrives with a plan to finish Kukui and his dreams of making his league off. Ash challenges him to a tough battle where it seems that Guzma and Golisopod may have the upper hand.
Sophocles and Vikavolt are entering a Vikavolt race. When they arrive, Sophocles learns that his rival Horacio is also competing with his newly evolved Vikavolt.
Someone's been slicing and dicing objects all over Melemele Island: a cabbage at Mallow's Family Restaurant gets chopped up, a golden Viren statue is cut in half, and the trees in Lillie's yard are shaped into perfect topiaries.
While Ash and his Pokémon train for the upcoming Alola Pokémon League, they accidentally startle a nearby Celebi. The Mythical Pokémon flees back in time and brings Ash and Torracat with it.
After returning to the present day, Ash and Torracat reunite with Pikachu, Lycanroc, Rowlet, and Meltan - who are all covered in dirt. It turns out the Pokémon had been searching for Ash and Torracat after the pair's sudden disappearance.
Professor Kukui has finally realized his dream of establishing the Alola Pokémon League, and he's excited to welcome everyone to the dedication of the brand-new Manalo Stadium.