Dean被该隐之印所控变为恶魔，Sam和Cas试图将他带回来，Crowley却试图拉拢他…… 本季故事由此展开Dean is now a demon and is killing for Crowley. It's Dean just with black eyes, and this time he's working for the King of Hell. Although Crowley says to Sam that it's a relationship between the two of them Crowley wants Dean on his side as Dean is the last Knight of Hell thanks to the Mark of Cain and the First Blade.
