Sam collapses and Dean sends out an emergency plea through prayer to any, and every, angel in the area to help Sam. In exchange, Dean agrees to owe that angel a favor. Ho ...

Sam and Dean reveal to Kevin that they have Crowley hostage, while Abaddon returns to hunt them all down. ...

Sam and Dean track down Castiel, while Bartholomew, a new leader of the fallen angels, tries to destroy him. ...

Sam and Dean accidentally free Dorothy, who has been trapped in the bunker for years, who seeks their help in killing the wicked witch. ...

When the only witness to a couple of mysterious murders is a dog, Dean performs a risky spell to help him communicate with canines. ...

Dean and Castiel team up to find a Rit Zien, an angel healer, who is easing peoples' suffering by killing them. Sam and Kevin ask Crowley for help in finding a way to ope ...

Dean gets a call from an old friend named Sonny asking for help with a ghost. Sonny runs a home for delinquent boys, and Dean was sent there for stealing food when he was ...

Sheriff Mills calls Sam and Dean for help with multiple disappearances in the town. Discovering all four victims belonged to the same church chastity group, Sam and Dean ...

The angels go to war against each other. A secret about Ezekiel is revealed. ...

Dean sets off to cast Gadreel out of Sam, but Castiel tells him the only way to do that is to ask for Crowley's help. Will Crowley be able to save Sam? Will he double-cro ...

The unlikely duo, Crowley and Dean are forced to work together in order to find an item which could help them in the war against Abaddon. During their search they come ac ...

After finding out that Garth is in the hospital, Sam and Dean go to check on him. Still carrying the guilt over Kevin, Dean lays into Garth about disappearing and demands ...

Sam and Dean investigate recent murders where the victims were hundreds of pounds lighter after their deaths. Suspecting witches, the two go undercover at a fancy day spa ...

Sam and Dean are stunned to discover that the Men of Letters' bunker is haunted. Their investigation leads them to a storage facility where the demons have been keeping a ...

As Dean and Sam investigate the murder of a teenage girl, they once again cross paths with the Ghostfacers. ...

Dean is frustrated when he can't reach Crowley, who has promised to find The First Blade. When Crowley finally calls Sam and Dean, he tells them he fell off the wagon and ...

Dean copes with the side effects of the Mark of Cain, as Sam investigates a series of violent murders related directly to Abaddon. ...

When Castiel rejects Metatron's offer to join forces, a surprising plan is set in motion; Gadreel is apprehended. ...

Sheriff Mills calls Sam and Dean for help when she finds a young girl running from a vampire pack. ...

Sam and Dean visit Chicago and find the city's underbelly is divided between powerful clans of monsters, including werewolves and shape-shifters. ...

Abaddon makes a deal with Crowley to stop the Winchesters and recover the first blade. Castiel tries to bring Gadreel to his side in the war against Metatron. ...

Angels are committing suicide in Castiel's name. Sam and Dean try to find out why. ...

The influence of the mark on Dean reaches new heights, as Metatron begins to reveal himself to humanity. ...