Check out the official episode guide for the season finale, "The Man Who Knew Too Much," airing 9-10 pm on May 20 on the CW.
EXECUTIVE PRODUCER ERIC KRIPKE PENS THE SEASON FINALE
- The wall comes down in Sam’s (Jared Padalecki) head and all hell breaks loose.
- Dean (Jensen Ackles) and Bobby (Jim Beaver) are, for once, at a total loss on how to help him and are forced to stand by and do nothing while Sam breaks.
- The battle for heaven comes to a head.