[SPOILERS] Warning, Supernatural's Season 11 Promo Is Here and It's Super-Bloody—and Has an Epic Ghostbusters Reference!

The boys are back...and we couldn't be more excited for their return. Supernatural's 11th season premiere is less than a month away, finally bringing another helliatus to an end. But be careful what you wish for as E! News has your exclusive first look at Sam (Jared Padalecki) and Dean's (Jensen Ackles) return on Oct. 7, and it's bloody. Like, really bloody.

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