13 Times Sam and Dean Have Actually Died on Supernatural

In case you were wondering, the zombie apocalypse isn't caused by mankind. It's the Devil himself, Lucifer, who releases a virus that turns humans into zombies. Dean wakes up five years in the future to a near-barren world and vows to kill Lucifer in order to save the remaining survivors. His life is cut short by the Devil inhabiting Sam's body, who snaps his neck in front of Dean from the present. Confusing? Maybe so. Traumatizing? Definitely.