Pokémon - Season 7 Episode 21 Disaster of Disguise Gotta catch 'em all!
Overview: As the heroes arrive in Verdanturf Town, they meet up with Drew, who cannot participate in the upcoming Contest, since his Roselia has been defeated by the Phantom and his Dusclops. May is surprised and decides to train for the Contest. Just then, the Phantom appears, so Ash challenges him to a battle. However, a woman arrives and starts chasing the Phantom, but fails. In order to find more about the Phantom, the woman requests the heroes to unmask his identity.