Supernatural: Season 7 Episode 22: There Will Be Blood
Starring: Jared Padalecki, Jensen Ackles, Misha Collins, Mark Sheppard, Mitch Pileggi, Corin Nemec, Rachel Miner, Laura Mennell
Length: 43 minutes
Supernatural: S07E22 Description: To officially kill the leviathans, Sam and Dean need the blood of an Alpha. But Dick knows what the Winchesters are up to and sends his men after them.