You will watch PPokemon Season 9 Episode 454 online for free episodes with high quality. Online episode guide, Pokemon Season 9 Episode 454 Grating Spaces Team Rocket tricks Brock’s parents into leaving the Pewter Gym, leaving Ash and Brock to defend it. So Ash and Brock battle two on two with Ash’s Donphan and Brock’s newly evolved Steelix vs. Team Rocket’s Pokémon Charizard and Aggron. Delibird gives Jessie and James a Charizard and Aggron by accident and claims it back for Butch and Cassidy in the end.