Unlike previous region endings where Ash immediately rushes to the next destination, Episode 146 sees him quietly reflecting on his future. Inspired by his classmates' ambitious plans, Ash decides he wants to see more of the Pokémon world to broaden his horizons. He makes the difficult choice to leave his Alolan Pokémon team behind with Professors Kukui and Burnet so they can continue living happily in their natural habitat. The Classmates' New Horizons
[ Alola Pokémon School Friends ] │ ┌──────────────────┼──────────────────┐ ▼ ▼ ▼ Ash Ketchum Lillie & Family Team Rocket (Returns to Kanto / (Search for Mohn / (Recalled to Kanto / Global Travel) Magearna Arc) Leave Pokémon behind) Ash's Decision & One Last Ultra Adventure Pokemon Sun and Moon -Dub- Episode 146