Silas talks about Santa's evil twin.
Juliette visits Wu and shares a personal experience of hers to help with his recovery.
A "Hollentier" is described.
Nick and Hank find themselves in the middle of a street gang war fueled by Wesen motives.
Nick and Hank are on the case when a deadly female comes to town and attacks members of the Wesen community. Meanwhile, Adalind considers teaming up with a new and dangerous ally.
A monstrous predator goes after a couple who are friends with Wu, and Nick and Hank must figure out how to deal with a delicate situation after Wu witnesses something unexplainable. Meanwhile, Adalind is pursued by enemies as she prepares to give birth.
The criminology student shows Nick that she does not know how to keep her mouth shut.
Nick and Frank visit Bree and Monroe to see if they've ever heard of Wesen Gangs.
An investigation into a veteran's murder leads to a larger conspiracy involving military contractors. Meanwhile, Monroe meets Rosalee's family and Adalind's powers begin to return.
After infiltrating a shoplifting ring, Trubel discovers the crime syndicate's Wesen roots.
Don't miss two back-to-back episodes of Grimm! First, the detectives track a vicious alligator Wesen through the sewers of Portland. Then, Nick battles the legendary Krampus.
Nick, Hank and Trubel encounter three aggressive Verrat assassins in the hospital parking lot, and Trubel proves that she can definitely hold her own in a street brawl.
Grimm's David Giuntoli talks about the big finale wedding and what to expect in Season 4.
Grimm's Claire Coffee discusses the Season 3 finale and Adalind's return to her wrathful self.
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