Watch Grimm Season 3 Episode 12 online via TV Fanatic with over 8 options to watch the Grimm S3E12 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Amazon Prime, Xfinity, and TNT.
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A serial killer in Portland is killing and scalping police officers. When Monroe's parents hear big news, the come for a visit on Grimm.