Nick and Hank investigate a woman plagued by a talking wolf while threats against Monroe and Rosalee's mixed Wesen marriage intensify.
When a man is murdered with clay, Nick and Hank find themselves searching for a killer from Jewish folklore.
Nick and Hank investigate a Wesen boxing gym while Elizabeth helps Monroe and Rosalee search for a way to restore Nick's powers.
As Trubel continues to track the Gedachtnis Esser, a mysterious woman comes to Captain Renard's aid and Adalind arrives in Vienna.
With his Grimm powers gone and Captain Renard fighting for his life, Nick is forced to rely on Trubel when a menacing new Wesen comes to Portland.
The cast and crew of GRIMM give viewers a behind-the-scenes look at how a fight scene is choreographed and shot.
It's Monroe (Silas Weir Mitchell) and Rosalee's (Bree Turner) big day and their joy will only be matched by unexpected heartache for those around them. Nick (David Giuntoli) and Juliette (Bitsie Tulloch) make a startling realization that could shake their relationship to its core. Meanwhile, Adalind (Claire Coffee) proceeds with a delicately laid plan that leads to a catastrophic event that will alter the course of Nick's journey.
Nick and Trubel encounter another Grimm who has traveled across the country to deliver an important trunk of Grimm relics to Nick. Meanwhile, Adalind pursues a nefarious scheme of her own.
Nick (David Giuntoli) does his best to educate Trubel (guest star Jacqueline Toboni) on how best to handle the world she is learning about for the first time, and decides it best to bring her on a ride along with Hank (Russell Hornsby). They find themselves investigating the homicide of a young woman that strikes a chord for Trubel. Meanwhile, Adalind (Claire Coffee) makes a discovery that she hopes will lead her to regain something she has lost.
Nick (David Giuntoli) and Hank (Russell Hornsby) investigate a dangerous female suspect (guest star Jacqueline Toboni) leaving a trail of Wesen in her wake. Elsewhere, Adalind (Claire Coffee) takes measures into her own hands, even if that means forging a dangerous alliance.
Nick (David Giuntoli) and his mom, Kelly Burkhardt (guest star Mary Elizabeth Mastrantonio), join forces to protect Adalind's (Claire Coffee) baby. Meanwhile, Prince Viktor (guest star Alexis Denisof) activates a deadly stateside asset (guest star C. Thomas Howell) to find Adalind and her child.
The Resistance's plan to keep Adalind (Claire Coffee) safe gets kicked into high gear when an unexpected ally arrives to ensure she and the baby make it out of Europe safely. In Portland, as Monroe (Silas Weir Mitchell) and Rosalee (Bree Turner) prepare for their upcoming wedding, Nick (David Giuntoli) and Juliette (Bitsie Tulloch) are reminded of their failed proposal.
Nick investigates a mysterious murder at a Wesen carnival.
While Sergeant Wu recovers from his Aswang encounter, Nick and Hank investigate the attempted theft of an Ancient Egyptian Wesen mummy at the local university.
A gruesome baby-eating Wesen torments members of Portland's Filipino community, and Sargent Wu has an encounter that he can't explain.
Nick and Hank continue the hunt for the Wildesheer, a vicious Wesen serial killer who only targets worthy adversaries.
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