Nick must help those closest to him, while battling against an influx of ancient evils.
Catch up with all the action from the second series of Grimm, before the brand new series.
Think you know your Blutbads from your Hexenbiests? Find out by taking the Grimm quiz.
They're famous for creating some of the darkest fairy tales and most beguiling characters.
Everything you need to know about the second season of Grimm.
Grimm is back, but this time, Nick can't see them coming. Season 4, Tuesdays at 9pm.