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.' previews'Grimm' season finale preview and interviews with David Giuntoli, Silas Weir Mitchell, and Bree Turn...Nick Offerman on Parks & Recreation and new movie, Somebody Up There Likes Me.