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Will we finally find out what ...

Question: Will we finally find out what killed Mary Winchester in the Supernatural season finale? Answer: Yes, and it'll change Sam's life forever. Other spoilers from the May 4 finale: There is an exorcism in the opening act that gives the guys a lead on their missing father but spells big trouble for one of the brothers. And buckle up for safety — the final shot will redefine road rage.

Michael Ausiello

Question: Will we finally find out what killed Mary Winchester in the Supernatural season finale?

Answer: Yes, and it'll change Sam's life forever. Other spoilers from the May 4 finale: There is an exorcism in the opening act that gives the guys a lead on their missing father but spells big trouble for one of the brothers. And buckle up for safety the final shot will redefine road rage.

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