BW001: In the Shadow of Zekrom!

In the Shadow of Zekrom is the first episode in Pokémon: Black and White. Ash and Pikachu get ready for a new journey in the Unova region! Ash, as always in a new region (except Johto), gets a fresh new outfit.

Trivia

 * Team Rocket gets new uniforms.
 * "Who's that pokemon?" returns after being on hiatus since season 7 and the first of many of these is the new Unova region pokemon Pidove.