Pokemon Season 3 Episode 120 Episode Title:The Double Trouble Header.Episode Description:Heading to Violet City for the first gym, Ash and company meet Casey, a new trainer and baseball fan who eagerly challenges Ash to a battle. When Ash easily beats all three of her Pokémon with just his Charizard, she gets upset and runs off wanting revenge. She makes an alliance with Team Rocket, who agree to help her beat Ash...that is, until she finds out that Team Rocket was just using her.