Portland detective Nick Burkhardt, descended from a long line of warriors known as Grimms, defends his city from magical creatures known as Wesen, which are part human and part animal. Fighting alongside his partner, Hank, colleague Sergeant Wu and friends Monroe and Rosalee, Nick faces off against internal and external forces, including his police captain, Sean Renard.
With fatherhood looming, Nick tries to come to terms with his loss and decide who he wants to be. Season opener. (S5, ep 1)
Hank must investigate a seemingly Wesen-related case with his new partner, while Nick tries to adjust to his new home life. (S5, ep 2)
After Rosalee is kidnapped, Nick, Hank and Munroe desperately race against time to save her. (S5, ep 3)
Nick and Hank investigate a wealthy mobster and an ancient Wesen tradition. Meanwhile, Nick grows closer to Adalind. (S5, ep 4)
The Rat King: Trubel returns as Nick and Hank investigate the Wesen legend of the Rat King after a double murder linked to a local dump. (S5, ep 5)
Nick and Hank investigate a Wesen gang, but when the situation turns south, help arrives from an unlikely source. (S5, ep 6)
The gang turn to the Wesen Council for answers about the recent attacks, while Nick tries to find out more about his sighting of Juliette. (S5, ep 7)
Nick and Hank must hunt for a sea monster after a tourist is killed at Diamond Lake, while Nick learns more about Hadrian's Wall. (S5, ep 8)
Monroe goes undercover as the team race to prevent the completion of a series of sacrifices as part of a barbaric Wesen ritual. (S5, ep 9)
After a German relative gets in touch, Nick and the team race the Black Claw to retrieve a collection of valuable Grimm artefacts. (S5, ep 10)
As Black Claw make their move in Portland, Nick and Monroe head to Germany to find the seven knight's treasure. (S5, ep 11)
Nick and Monroe face a battle to escape Germany with their discovery and lives intact, while Hank, Wu and Renard hunt an assassin. (S5, ep 12)
A desperate Luchador turns to a Wesen mask-maker to help him win fights. The new mask gives him great power, but at a terrible cost. (S5, ep 13)
As they investigate a horrible murder in the woods, Nick and Hank uncover the true origins of the Werewolf myth. (S5, ep 14)
Nick and Hank look for a Wesen link after they find a body that seems to have aged 70 years overnight. (S5, ep 15)
Hank and Nick investigate an evangelical preacher who uses his Wesen form to gain followers, while Eve learns more about Black Claw and Renard. (S5, ep 16)
Nick and Hank hunt a Japanese Wesen on a quest for revenge after a severed head is found under a bridge. (S5, ep 17)
After a body is discovered with all its bones seemingly liquefied, Hank and Nick find themselves on the trail of a terrible foe. (S5, ep 18)
Wu's bite begins to have serious unforeseen consequences, as Adalind finds herself backed into a corner and forced to make a choice. (S5, ep 19)
Nick worries his losses may grow in the battle against Black Claw and sets his sights on Renard, whose eyes are on the approaching election. (S5, ep 20)
Beginning of the End - Part 1: Black Claw make a move on Hank, further intensifying Nick's efforts to bring them down. (S5, ep 21)
Beginning of the End - Part 2: As the war escalates, the team are marked for assassination by Black Claw, sending them into a battle for their lives. (S5, ep 22)