Sam and Dean battle a pair of werewolves who have captured two victims. Just as the brothers are about to win, one of the werewolves shoots Sam. Dean gets his brother and the victims out of the house but learns a pack of werewolves are hot on their tail, hoping to kill them all.

After learning that the soul of Adolf Hitler has been trapped in a 1930’s gold pocket watch, Sam and Dean must act quickly to prevent a group of Nazi necromancers from resurrecting the Führer.

An attack by an invisible hellhound at a campsite leads Sam and Dean to investigate the mysterious circumstances. Meanwhile, two of Crowley’s own personal demons uncover what he has been hiding. Castiel gets a lead on Kelly Kline.

Castiel is reunited with Jack and together with Sam and Dean, they head to a sleepy old western town to investigate a murder. Dean gets to live out his boyhood fantasy when he comes face to face with a famous, gun-slinging outlaw.

Sam and Dean must stop Rowena, who is on a deadly mission. Meanwhile, Castiel looks to heaven to recruit angels for an impending invasion but is shocked by not only what he finds, but who.