Pokémon Season 11 Episode 6
Ash battles Alan, a trainer that wants his Nosepass to evolve into a Probopass, but it can only evolve if it levels up in Mt. Coronet. When it does, Team Rocket brainwashes it and now Ash & Co. have to get it back.
Serie: Pokémon
Episode Title: Nosing 'Round the Mountain
Air Date: 2007-12-06