Grimm Season 4 NBC Show Renewed Projected Episode 1 Premiere Posted on July 19, 2014 Grimm Season 4 NBC Show Renewed Projected Episode 1 Premiere Related posts: Grimm Season 3 Premiere Review The Walking Undead Grimm Grimm Season Premiere Will Nick Be Saved Exclusive Video Fringe FOX To Re Air Key Season 4 Episode Before Season 5 Premiere Fringe FOX To Re Air Key Season 4 Episode Before Season 5 Premiere