Supernatural

Season 7, Episode 18

Episode Title: Party On, Garth

Air Date: 2012-03-30

Overview:

Dean is surprised when he gets a call from Garth asking for the brothers’ help on a case. Sam and Dean discover they are battling a Shojo, a Japanese creature sent to seek revenge on enemies. The worst part about fighting a Shojo? You can only see it when you’re drunk.