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.

Sam enlists Rowena’s help to track down an old world, powerful family of witches after Dean gets hit by a spell that is rapidly erasing his memory.

Sam and Dean let Mick Davies tag along on a case as they search for a werewolf. The three men run into Claire Novak, also working the hunt. However, the reunion is short lived after Claire is bitten and the brothers race to find a way to help her before she turns.

Sam comes up with a way to stop Lucifer’s baby but Castiel has something else in mind for Kelly. Dean is furious when he finds out someone stole the colt. Kelly makes a bold choice about the baby’s future.

When multiple patients of grief counselor Mia Vallens turn up dead, Dean, Sam and Jack investigate the mystery surrounding the murders and, each inadvertently, are forced to deal with unresolved grief of their own.

Jack and Mary manage to escape Michael’s clutches and end up finding an ally in “apocalyptic world” Bobby Singer. Meanwhile, Sam, Dean and Castiel continue to search for a way to open a breach, not realizing that one of their own may be working against them and costing them precious time.

After a hunt gone wrong leaves Maggie’s whereabouts unknown, Sam, Dean, Mary and Bobby race to find her, but what they find are their own worst nightmares.

When Sam and Dean join forces with an unexpected ally, the outcome will alter the course of two lives. Meanwhile, Heaven faces an attack from a dark force, driving Castiel to make an enormous sacrifice to make things right.

Sam and Dean look to occult lore for a solution to their latest problem, but instead of a resolution, they find much more than either of them had anticipated.

Sam and Dean are visited by an old friend. Castiel investigates the disappearance of a local teen.

Dean hits the road with Jack who needs to complete a final ritual in the quest to beat Chuck. A difference of opinion leaves Sam and Castiel behind looking for answers to questions of their own.