SUPERNATURAL stars Jensen Ackles and Jared Padalecki teased an intense, shocking end to this season of the show while at the CW Upfronts in London:
Something happens in the finale that is a first we’ll see. I’d say don’t miss the last 30 seconds of the finale.
They along brought along the new finale trailer AND a new clip!
http://youtu.be/c-MAvMTOWFo
http://youtu.be/E1DWigCMGDk
The SUPERNATURAL finale airs Tuesday, May 20 on The CW.
SOURCE