Castiel sends Dean back in time to 1973 where he encounters younger versions of his parents and for the first time meets his grandfather Samuel Campbell who holds a secret that sheds a light on the Winchester Family's connection to the hunter community.
Stars: Jared Padalecki, Jensen Ackles, Mitch Pileggi
Director(s): Steve Boyum
Writer(s): Eric Kripke, Jeremy Carver, Cathryn Humphris