Season 6, Episode 21 - "Which Wurmple's Which?"
14 February, 2004
Team Rocket tries another scheme to get their hands on Pikachu. After discovering the plot, a battle ensues. During the battle, May and Jessie get their Wurmple's mixed up. May notices that it is not her Wurmple and begins a search for her's. They manage to find Team Rocket, but Jessie is not planning on giving May's Wurmple back. In fact, she wants both Wurmple for herself!
