Wesen rob banks using their true faces as disguises, and Nick and Hank end up investigating. Meanwhile, Juliette begins to regain her memories of her time with Nick... and the secrets she learned.moreless
Nick learns the truth about his superior officer, while Renard and Juliette's attraction to each other grows increasingly stronger... and more dangerous.
Adalind returns to Portland with revenge on her mind, while Renard tries to deal with his obsessive infatuation with Juliette.
Hank goes back to investigate a closed case he handled of a murderer sentenced for execution who claimed that he acted in self-defense when a monster attacked him. Meanwhile, Monroe has an unusual situation come up at the spice shop.moreless
While dealing with a serial killer stalking Portland's Wesen community who may be a Grimm, Nick is unable to talk to Juliette... who turns to Renard.
Nick and Hank work with a detective to investigate a series of child abductions tied to the legend of the ghostly La Llorona, and Nick brings Juliette in to fill in as the precinct's Spanish translator. Meanwhile, Monroe has some fun of his own on Halloween.moreless
Nick and Hank investigate a murdered high school student who was killed because of their involvement in an academic decathlon. Meanwhile, Monroe gets a visitor at the spice shop and Renard must deal with his obsession.moreless
The detectives investigate a murder that leads them to a father on the run with his daughter. Meanwhile, Monroe fills in for Rosalee and Renard deals with women from his past.
Monroe's old girlfriend Angelina returns to Portland and he discovers he may pay the cost for associating with a Grimm. Meanwhile, Renard receives a visitor of his own from Europe.
While Nick and Hank investigate the murder of an accountant embezzling from a church, the Grimm tries to reconcile the situation with Juliet, who still doesn't remember him. Meanwhile, the Nuckelavee makes its move against Nick.moreless
While working a case, Nick discovers a new disease that targets Wesen... and puts Rosalee and Monroe at risk. Meanwhile, Renard learns of a fugitive that has made his way from Europe to Portland.moreless
Nick helps Hank's old friend track down his daughter and tries to cope with Juliette's amnesia.
While Nick and his mother battle the Royal Families' assassin, Rosalee and Eddie continue to try and save Juliette. Meanwhile, Hank discovers that the FBI are after his partner and Renard is forced to reveal his hand while dealing with his brother.moreless
While the Royal Families launch an attack on Nick, the Grimm tries to come to grips with the return of his mother Kelly. Meanwhile, Monroe and Rosalee try to bring Juliette out of her coma, Hank tries to cope with his recent exposures to the Wesen, and Renard must deal with the arrival of his brother in Portland.moreless
The cursed coins resurface after someone else starts killing to obtain them. Meanwhile, Nick and Hank find a mysterious woman interfering in their case, and Nick and Juliette must make a life-changing decision.moreless
Nick becomes involved when Juliette witnesses a murder committed by a creature who is unable to maintain his human form. Meanwhile, Hank begins to notice a few things that don't add up.
Nick and Hank investigate the death of a wealthy widow and finds that the trail leads to her stepdaughter Lucinda and her mysterious godfather, Spencer Harrison. Meanwhile, Juliette tries to help Nick deal with what she believes is the death of his aunt.moreless
When Nick investigates the death of a construction company owner, he discovers that the suspect has summoned the Reapers to town to dispose of him. Meanwhile, Juliette makes Nick invite Eddie over for dinner.moreless
Eddie and Rosalee harbor an overseas visitor and murder suspect... and Nick finds out about it.
Nick finally discovers that Hank is dating Adalind... the hexenbiest responsible for Marie's death. Meanwhile, Eddie and his girlfriend Rosalee have to secretly help Hank and Wu, and Renard gets a visit that threatens his position among the creature leadership.moreless
Nick tries to take Juliette on a romantic weekend but soon becomes embroiled in a case involving a neighbor couple. Meanwhile, Eddie and Hank both find themselves romantically involved with new women.
Nick looks into a theft and murder at a spice shop and discovers that it was owned by a wesen, and that the thieves were after a dangerous drug. Meanwhile, Hank falls under Adalind's sway and Wu gets caught in the middle.moreless
Nick investigates a fire-dancer who may be the woman responsible for a fire-related homicide.
While Nick and Hank look for rare coins that were the target of an robbery that ended in homicide, a friend of Aunt Marie's arrives with information for Nick about his family.
An underground fight club where monsters participate in blood battles is tied to a murder that Nick and Hank are investigating.
While tracking down a creature with a taste for heartbreaking, Nick discovers that he and Juliette may be in danger as word of his reputation as a Grimm spreads.
Nick investigates a black market organ-harvesting ring that caters to the supernatural creatures of Portland.
While Nick investigates a creature that may have start killing due to its abused childhood, the creature community begin to have doubts about Monroe's loyalties.
A prison escapee returns to Portland and seeks revenge on everyone who got him arrested. Nick notices his unusual strength and high tolerance of pain and calls Eddie to help put his rampage to an end.moreless
Nick and Hank investigate a murder in the forest which is connected to a missing-person case, and Nick has to ask Eddie for help when it turns out the missing person is a feral creature.moreless