Exclusive Grimm First Look: Let’s Have a Big, Detached Hand for [Spoiler]!

Revenge pawn Roger Bart is the “name” guest star in this Friday’s Grimm (9/8c on NBC). But fans of the supernatural thriller will probably be even more psyched to find out that the monster-of-the-week is none other than…

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Hmm… Maybe it would be more fun if you figured that out for yourself. And you should be able to. There is, after all, a (cough) big clue contained in the (cough, cough) foot that Juliette (Bitsie Tulloch) discovers in this exclusive sneak preview.

Click below, then hit the comments with your guesses (and, as always, gentle mockery of incorrect guesses).