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Sam (Jared Padalecki) and Dean (Jensen Ackles) call upon their family friend and fellow hunter Bobby (guest star Jim Beaver) for help after they are stumped by violent and unexplainable happenings on a local college campus.

Bobby arrives with a suspicion as to the culprit behind the killing spree and the brothers' escalating feud.

John Shiban wrote the episode directed by Brad May.

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