Surge's Raichu to help Ash win the Masters Eight in Pokémon Journeys. Pikachu's unwavering ... ultimately eliminating Leon's Rillaboom and becoming a key member of Ash's team.

But the latest series, Pokemon Ultimate Journeys, has worked differently ... from across his travels. Ash's final battle against former world champion, Leon, spanned four episodes.

Ash and his Pokemon have ventured across various lands, faced many trials, and battled countless trainers and Pokemon. These ...