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:'Law & Order: SVU' season finale preview'Grimm' season finale previews'Gotham preview'