Dean (Jensen Ackles) makes a shocking decision regarding the Mark of Cain that would change not only his life, but Sam's (Jared Padaleck) too. Meanwhile, Crowley (Mark Sheppard) and Rowena (guest star Ruth Connell) face off and Castiel (Misha Collins) gets caught in the middle.
[button color="black" size="big" link="http://cwtv.com/shows/supernatural/brothers-keeper/?play=1676d0b5-8e80-4f85-83d5-b3264325d5dd" target="blank" ]Watch The Season Finale !!![/button]