Grimm has been the little show that could on Friday nights on NBC for the past five seasons. It has outlasted shows like Constantine and Dracula . While news of the show's cancellation may seem sad for fans, the show's creative team isn't too upset that the series is finally saying sayonara. In fact, showrunner James Kouf recently revealed there's at least one reason he is fine with the show getting cancelled, and that reason has to do with running out of ideas. He said "You know, 123 times through the fairy-tale world, and you start getting a little slim".