Season 5, Episode 20 The Devil You Know
First Aired: April 29, 2010
A demon named Crowley offers to help Sam and Dean find the remaining Horsemen rings so they can trap Lucifer.
Cast & Details See all »
- Premiered: September 21, 2006
- Rating: TV-14
- Premise: Two brothers hunt demons, ghosts and other supernatural entities as they investigate crimes caused by paranormal forces. (more)