Supernatural -- "Trial and Error" -- Image SN813b_0282 -- Pictured: Jensen Ackles as Dean -- Credit: Diyah Pera/The CW --  © 2013 The CW Network. All Rights Reserved

Supernatural -- "Trial and Error" -- Image SN813b_0282 -- Pictured: Jensen Ackles as Dean -- Credit: Diyah Pera/The CW -- © 2013 The CW Network. All Rights Reserved