Spoilers alert!
Click here for TV Squad report from Supernatural panel, and here for The CW Source video interview with Jensen Ackels.
TVGuide.com has video interviews with Supernatural creator Eric Kripke and Jensen Ackles.
And SF Universe has an interview with Jared Padalecki, including audio clip.
For more reports, videos and photos from Supernatural and Friday the 13th panels are on Supernatural-wiki, here.