Grimm: Watch Season 3 Episode 21 Online

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Adalind makes a big play on Grimm Season 3 Episode 21 - it could change the dynamics of the show for good.

Meanwhile, Rosalee and Monroe find themselves more and more stressed over the wedding.

Trubel helps Nick and Hank find an older Grimm that's been wanting to get in touch with Nick.

Sound enticing? Be sure to watch Grimm online right now!