Supernatural: Season 10, Episode 21 (Dark Dynasty) Watch Online
Supernatural: Season 10, Episode 21 (Dark Dynasty)Air Time: 6 May 2015
Network: The CW
Genre: Drama, Fantasy, Horror
While investigating a strange murder, Sam and Den discover the killer has the same tattoo as those from the Styne family; Castiel plays referee when Charlie and Rowena must work together; Crowley turns to an old enemy for help with Rowena.
Director: Robert Singer
Writers: Brad Buckner, Eugenie Ross-Leming
Stars: Jared Padalecki, Jensen Ackles, Misha Collins