News TV Videos Grimm Is Back! Written by Shawn Marazine on March 8, 2013 Grimm Is Back! Grimm is back, and Nick’s out for vengeance. Grimm returns with all-new episodes March 8! The Cast Tells All The cast of Grimm gives you a sneak peek at what’s to come this Friday! Related posts:'Chicago P.D.' previewNBC renews dramas THE BLACKLIST, CHICAGO FIRE, CHICAGO P.D., LAW & ORDER: SVU & GRIMM for 2015-16 Se...'Parks and Recreation' preview clips