Find out what's next for the Winchesters and Castiel. Grab the tissues, Supernatural fans, the synopsis for the season 10 finale is out. 'Supernatural' Season 10 Spoilers: Sam's Savior Actions Prompt 'Dire Decisions' For Dean, Jensen Ackles Explains Titled "My Brother's Keeper," the May 20 episode is primed to keep viewers on the edge of their seats as Dean (Jensen Ackles) and Sam's (Jared Padalecki) battle against the Mark of Cain comes to a head.

Death is back in town. Stock up on the greasiest fast food possible - Death is returning to Supernatural. 'Supernatural' Season 10 Spoilers: Benny's Back! 'Werther Project' Purgatory PHOTOS Revealed New photos from the set of the season 10 finale have officially cranked our fear levels up to 11.

Find out what Benny, Dean, Sam, and Rowena will be up to in episode 19. Supernatural's Jensen Ackles wasn't kidding when he hinted that Dean may take a trip back to purgatory in "The Werther Project.

Find out what's in store for the Winchesters in episode 20. Supernatural's Claire Novak will turn to Castiel for help in "Angel Heart. " 'Supernatural' Season 10 Spoilers: Sam's Dark Side To Rise Again, Jared Padalecki Talks Season's Final Arc The wayward teen no longer has a father, but Claire (Kathryn Love Newton) isn't about to give up hope in her quest to reunite with her mother.