“Survival Of The Fittest” -- Pictured (L-R): Jensen Ackles as Dean and Jared Padalecki as Sam in SUPERNATURAL on The CW. Photo: Jack Rowand/The CW ©2012 The CW Network. All Rights Reserved.

“Survival Of The Fittest” -- Pictured (L-R): Jensen Ackles as Dean and Jared Padalecki as Sam in SUPERNATURAL on The CW. Photo: Jack Rowand/The CW ©2012 The CW Network. All Rights Reserved.