A South American heiress living in Portland accidentally kills a pedestrian while driving away from what she claims is a talking wolf. Nick and Hank investigate and suspect that a Wesen is involved. A powerless Nick refuses to involve Trubel and asks Monroe to help identify the killer. Meanwhile, Trubel deals with a Wesen who has learned that Nick is no longer a Grimm, and Viktor continues his mind games to break Adalind.moreless
Nick and Hank investigate the death of an ex-boxer and have no choice but to involve Trubel when they suspect Wesen involvement. Meanwhile, Elizabeth goes with Monroe and Rosalee to find Adalind's potion. And in Vienna, a fellow prisoner helps Adalind escape her cell.moreless
Nick adjusts to the loss of his Grimm powers and tries to figure out how to deal with Trubel as the fourth season opens. Meanwhile, Wu has an unpleasant flashback; a new group of Wesen come to Portland and steal people's memories; Capt. Renard fights for his life; and Adalind's desperation to find her child lands her in Prince Viktor's clutches.moreless
As Monroe and Rosalee get married, something happens that could threaten Nick and Juliette's own relationship. Meanwhile, Adalind executes Viktor's plan so that she can be with her baby, and Renard discovers what she's up to.moreless
While Trubel encounters a father-and-son team trying to deliver something to Nick, Nick and Hank encounter Verrat agents trying to recover rare Wesen-related artifacts. Meanwhile, Adalind continues to try and find her child, forcing Renard to put her under surveillance.moreless
While taking Trubel on a ridealong, Nick and Hank investigate a young woman's murder that rings a chord with their passenger. Meanwhile, Adalind hopes to regain her daughter.
While Nick and Hank investigate a female killer who targets Wesen, Adalind prepares to make a new alliance to ensure her child's safety.
Nick's mother Kelly brings Adalind from Europe and teams up with her son to protect the Hexenbeist... unaware that Viktor has sent someone to bring Adalind's child back to him.
Nick and Hank investigate a traveling carnival where someone is suspected of having committed a double murder. Monroe and Rosalee get involved and Rosalee ends up going undercover. Meanwhile, in Europe the Resistance continues to try helping Adalind, but at a terrible cost.moreless
Nick and Hank are caught in the middle when the Wesen Council turns its attention to Portland. Meanwhile, Wu deals with recent revelations and Renard discovers that his Resistance spy has been compromised.moreless
Nick and Hank have to protect Wu's friends when they become the target of a Wesen, without giving away the existence of Grimms and Wesen to Wu. Meanwhile, Adalind gives birth to her daughter and regains her Hexenbiest powers.moreless
Nick and Hank track down the Wesen killer, who has taken an interest in Nick. Meanwhile, Monroe deals with the aftermath of his parents discovering that he plans to marry a Fuchsbau.
While Nick and Hank investigate a killer who takes his victims' scalps, Adalind unexpectedly goes into labor and Juliette maintains contact with Nick's mom. Meanwhile, Monroe gets a visit from his parents.
Nick and Hank investigate the murder of an Army veteran and discover someone is seeking revenge on several people involved in a military contract in Iraq. Meanwhile, Monroe meets Rosalee's mother and sister, and Adalind starts to recover her powers.moreless
While Nick and Hank investigate a gang-related murder with ties to both the Wesen community and Hank's new girlfriend Zuri, Juliette discovers the truth about her friend and goes to Rosalee for advice.moreless
A Wesen with a gift for healing endangers others when he uses his abilities. Meanwhile, Juliette helps a friend who is being domestically abused, Hank invites his physical therapist on a date, and Renard tracks down Adalind.moreless
While Nick and Hank deal with an urban legend in the sewers, Renard responds to the attempt on his life and Adalind meets with Prince Viktor in Europe.
While Renard is in Europe looking for Adalind, Nick and Hank deal with a serious of missing teenagers tied into an old Wesen legend of the Krampus. Meanwhile, Monroe asks Juliette for her help surprising Rosalee for their first Christmas together, but things don't go as he planned.moreless
Nick and Hank investigate a case of demonic possession which leads them to the Wesen Council. Meanwhile, Renard leaves town to deal with the situation in Europe.
Nick and Hank investigate a Spanish legend seemingly come to life when a vigilante strikes in a working-class neighborhood. Meanwhile, Juliette learns the truth about Nick's mother and Adalind has an ultrasound with unusual results.moreless
Nick and Hank investigate a drowning murders and encounter a group of aquatic Wesen. Meanwhile, Renard tries to confirm the identity of the Royal Baby's parents, and Rosalee moves in with Monroe.
Nick and Hank investigate an ages-old feud that has erupted in Seattle, a feud that Nick and Monroe are well-acquainted with. Meanwhile, the death of a royal family member has repercussions across the world, and Monroe and Rosalee discuss the next step in their relationship.moreless
Juliette leads the hunt for Nick, who is still under the zombie influence. Meanwhile, Renard deals with the aftermath of the zombie attack, and Adalind pursues her quest to regain her Hexenbiest abilities.moreless
Hank assist Juliette, Monroe, and Rosalee fighting the zombie hoard, while Renard tries to rescue Nick from Eric. Meanwhile, Adalind turns to Stefania once more for help regaining her magical abilities.
While investigating a series of rage-fueled assaults, Nick learns that Eric Renard is in town. Meanwhile, Adalind is caught in the middle when Frau Pech and Stefania oppose each other.
While Juliette tries to convince Monroe to tell her the truth about the Wesen, Nick and Hank investigate a series of murders of people who have already died. Meanwhile, Stefania and Frau Pech go to war with each other over the fate of Adalind's unborn child.moreless
Nick tries to clear the air with Juliette during a dinner date, but their efforts may be futile when a Wesen with the ability to influence humans and harm them goes after him.moreless
Nick investigates a series of event that suggests that there are aliens in Portland, possibly within the Wesen community. Meanwhile, Juliette remembers her more romantic memories of her time with Nick before the coma.moreless
A fire-based Wesen threatens to bury Portland in lava, and only Nick can stop him. Meanwhile, Adalind finds someone to help her with her pregnancy.