The two hour Supernatural season finale event concludes with a battle between Sam, Dean and Castiel (Jared Padalecki, Jensen Ackles and Misha Collins) versus Lucifer (Mark Pellegrino) for his son. How will the season end? Find out in the episode airing May 18.

The episode is titled “All Along the Watchtower” Here is the synopsis from TV Guide: “Season 12 end with Lucifer battling Sam, Dean and Castiel for control of his unborn child.”

http://www.youtube.com/watch?v=MfD1y7QJ6tQ

Don’t miss Supernatural “All Along the Watchtower” airing Thursday, May 18 at 9/8c on The CW.

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