Pokémon S09E31 - The Ole' Berate and Switch!

After failing to capture Pikachu, Jessie, James, and Meowth go their separate ways. Butch and Cassidy also split which leads to Jessie teaming up with Butch and James with Cassidy. Both teams then try to prove who is better by capturing Pikachu and Pokémon that trainers are using in a fake battle tournament set up by them.