Sam, Dean and Castiel's continued search for a way to defeat Chuck leads them to unexpected places and toward unlikely allies. ...

Sam, Dean together and Rowena work tirelessly to keep all of hell from breaking loose; Castiel cannot forgive an arrogant betrayal. ...

Dean, Castiel and Sam call on Rowena to help keep the evil souls at bay and get an unexpected assist by Ketch. ...

Sam (Jared Padalecki) and Castiel (Misha Collins) track down a Shaman (guest star Dimitri Vantis), who may be able to help a friend. Nick (Mark Pellegrino) continues to s ...

Sam and Dean devise a plan that will save innocent lives. Meanwhile, Jack continues to wrestle with the consequences of his decisions. ...

Sam, Dean, Castiel and Gabriel must work together if they have any hope of bringing Mary and Jack home. Meanwhile, Rowena's encounter with Lucifer may alter the outcome o ...

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 ...

Dean falls victim to a couple of witches, sisters Jamie and Jennie Plum who manage to steal a powerful book of spells from the Winchesters. When Dean and Sam go after the ...

A ghost from a merchant ship may be responsible for a murder at a museum; an angel tries to kill Kelly. ...

Rowena helps Sam find a powerful family of witches when a spell is placed on Dean that's quickly erasing his memory. ...

Sam, Dean, Castiel, Crowley and Rowena band together to fight Lucifer when his search for power leads him to the White House. ...

When a crying baby leads to death in a mysterious abandoned house, Mary, Sam and Dean decide to investigate. Meanwhile, Castiel's hunt for Lucifer leads him, begrudgingly ...

Dean, Castiel and Mary have a lead on Sam and set out to rescue him. Dean is uncomfortable putting Mary in danger, but she insists on going. Meanwhile, Crowley is tipped ...

Chuck tries to lock Amara away for good but then faces some unexpected complications. ...

Sam and Dean face their biggest challenge yet. Rowena makes her move. ...

Lucifer tries to assert himself into heaven; Crowley tells Sam and Dean they must take down Lucifer. ...

Now that he has Sam in the cage with him, Lucifer offers Sam a way out but it comes with a steep price. Dean and Castiel look into the angel smiting that might have kille ...

Amara (guest star Emily Swallow) unleashes her power on the local townspeople as she issues a shocking challenge. Dean (Jensen Ackles) tries to better understand the hold ...

Sam and Dean try to help Castiel recover from Rowena's spell, while searching for Amara who has now grown into a young girl. Rowena tries to use her powers to protect her ...

Dean comes to a stunning decision that will alter his life -- as well as Sam's; Rowena and Crowley face off, putting Castiel in the middle. ...

After Charlie's death Dean and Sam are both heartbroken. Despite their feelings for the situation Dean has decided to battle against the Stynes. On the other hand Sam, Ca ...

Dean and Sam investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family. Eldon Styne attacks Dean and a brutal fight ensues. ...

Sam looks for a magical box built by former Men of Letters, Magnus, hoping it will cure Dean, but is surprised by a deadly alarm system. ...

Charlie contacts Sam and Dean after she finds the Book of the Damned - which could help eliminate the mark of Cain; Castiel and Metatron look for Castiel's grace. ...

Castiel comes back and he and Sam check out a lead on the Mark of Cain. They decide to go to Bobby for help. Meanwhile Dean and Rowena meet up. ...

Dean and Sam investigate grisly, identical suicides by various people with little in common; the brothers begin to suspect that a priest is involved. ...

Sam, Dean, and Castiel must deal with Cain's return. Rowena and Crowley grow closer. ...

Sam and Dean try to deal with the aftermath following the bloodbath. Castiel attempts to fix a struggling relationship with Claire, and Claire wants revenge on Dean for w ...

When Castiel finds Jimmy's daughter in a group home, she persuades him to break her out; Crowley is faced with a big challenge. ...

Sam and Dean discover a group of witches gone wild and they attempt to stop them. ...

Sam continues to try to save Dean from the Mark of Cain. Realizing that Dean's antics are causing problems for him in hell, Crowley seeks help from a reluctant Castiel. ...