Supernatural Season 6 Episode 20
Overview
Castiel tells Sam, Dean and Bobby about the war in Heaven and how he and Raphael became enemies. Bobby believes Castiel is hiding something, but Dean refuses to believe it.
Director: Ben Edlund
Guest Star: Demore Barnes, Jim Beaver, John Tench, Mark Sheppard, Michael Bardach, Misha Collins, Revard Dufresne, Sandy Robson, Sonya Salomaa