Ash's Muk is revealed to know Sludge Bomb, Gary is revealed to have a Golem and a Scizor, Ash defeats Gary, Ash and Gary end their rivalry and become friends, Ash begins his battle with Harrison, Harrison is revealed to own a Kecleon.
The ultimate battle continues as Ash and Gary face off. Ash will have to come up with a new plan to beat Gary's Blastoise. Can he do it with the Pokémon he's got, and if Ash beats Gary, who will be his next opponent?
This episode is the last one Misty's Psyduck appears.
This is the only episode Magnitude was used in the entire anime.