The CW Network has released the first new promo Supernatural season 8, returning with the season 8 premiere on a new night and time Wednesday, October 3 at 8 PM ET. After spending a year in purgatory, Sam Winchester (Jared Padalecki) is finally reunited with his brother Dean (Jensen Ackles) this season. The brothers get some intriguing news, though, when they are told that the gates of hell may be finally closing for good. Take a look at footage from the upcoming season before it debuts next month.