Pokémon Season 11 Episode 38
While Ash and friends are training at the Summer Academy, they are taught how to deal with Ghost-Type Pokémon, should they ever run into them. They are then paired up to find a hidden treasure. While searching, Conway has a run-in with a Dusknoir.
Serie: Pokémon
Episode Title: Ghoul Daze!
Air Date: 2008-08-21