Watch Supernatural Season 8 Episode 12 online via TV Fanatic with over 6 options to watch the Supernatural S8E12 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.

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Episode Details

A man who claims to be Sam and Dean's grandfather says he's time traveled in order to stop a demon on Supernatural.

Rating: 4.8 / 5.0 (148 Votes)
Episode Number:

Supernatural Season 8 Episode 12 Quotes

Who are you not calling?


He's my brother and he's the only family I've got.