Supernatural 12×22 Sneak Peek “Who We Are” Season 12 Episode 22 Sneak Peek Season Finale

Supernatural 12×22 “Who We Are” Season 12 Episode 22 Sneak Peek (Season Finale) – Caught in a dangerous situation, Sam (Jared Padalecki) and Dean (Jensen Ackles) only have each other to rely on. Meanwhile, the fight between the American Hunters and the British Hunters comes to a head. John Showalter directed the episode written by Robert Berens (#1222). Original airdate 5/18/2017.