Supernatural, The Werther Project

S10 E1 • 42m • HDTV14

Sam tries to figure out what has happened to Dean, who is now a demon running around with Crowley.

S10 E2 • 42m • HDTV14

Crowley notices Dean's increasing level of aggression; a vengeful man captures and tortures Sam.

S10 E3 • 42m • HDTV14

Sam works to save Dean from the mark of Cain; Crowley seeks the help of an unexpected ally.

S10 E4 • 41m • HDTV14

A series of attacks lead to a surprising culprit -- Kate, the werewolf Dean and Sam let live.

S10 E5 • 42m • HDTV14

Sam and Dean are stunned to learn that a school is presenting a musical based on their lives.

S10 E6 • 42m • HDTV14

Dean and Sam discover that Bobby or his next of kin are beneficiaries in an heiress' will.

S10 E7 • 42m • HDTV14

Rowena intervenes when Sam and Dean encounter a demon who is running from Crowley.

S10 E8 • 42m • HDTV14

When a gruesome corpse is discovered, Jody Mills calls Sam and Dean to help investigate.

S10 E9 • 41m • HDTV14

When Castiel finds Jimmy's daughter in a group home, she persuades him to break her out.

S10 E10 • 42m • HDTV14

In search of a cure for the Mark of Cain, Castiel comes up with an idea that Sam does not support.

S10 E11 • 42m • HDTV14

Sam comes across a video of Charlie attacking a district attorney.

S10 E12 • 40m • HDTV14

Sam and Dean tackle a case where people vanish into thin air, leaving only their clothes behind.

S10 E13 • 41m • HDTV14

The brothers race to stop a ghost who has been killing people through various electronic devices.

S10 E14 • 42m • HDTV14

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

S10 E15 • 41m • HDTV14

Sam ignores Dean's directive and continues to search for a cure; a Khan worm infects Cole.

S10 E16 • 42m • HDTV14

Dean and Sam investigate grisly, identical suicides committed by people with little in common.

S10 E17 • 41m • HDTV14

Castiel and Sam pursue a lead about the Mark of Cain; Rowena and Dean have an encounter.

S10 E18 • 42m • HDTV14

Charlie contacts Sam and Dean after she finds the book of the dead.

S10 E19 • 42m • HDTV14

Sam looks for a magical box, hoping it will cure Dean, but is surprised by a deadly alarm system.

S10 E20 • 42m • HDTV14

Castiel asks Sam and Dean to help Claire be reunited with her mother.

S10 E21 • 42m • HDTV14

Sam and Dean discover a killer has the same tattoo as those from the Styne family.

S10 E22 • 42m • HDTV14

Dean takes matters into his own hands; Sam attempts to come to terms with his decision.

S10 E23 • 42m • HDTV14

Dean comes to a stunning decision that will alter his life -- as well as Sam's.