Pokemon Best Wishes! - episode 23 - 16 Mar, 2011

Ash and the gang head back to Castelia City and meet up with Burgh in the Gym for Ash's challenge to earn the Insect Badge. Elsewhere, Jessie, James, and Meowth receive orders that the mission is over and they change into their original white outfits, and James captures a nearby Yamask. (Source: Wikipedia)