TUESDAYS 9 | 8c

"Survival Of The Fittest" -- Pictured: Jensen Ackles as Dean in SUPERNATURAL on The CW. Photo: Jack Rowand/The CW ©2012 The CW Network. All Rights Reserved.

"Survival Of The Fittest" -- Pictured: Jensen Ackles as Dean in SUPERNATURAL on The CW. Photo: Jack Rowand/The CW ©2012 The CW Network. All Rights Reserved.