when does grimm end
On April 19, 2013, NBC announced they would move Grimm to Tuesdays beginning on April 30, 2013 for the remainder of Season 2 until May 21. Grimm was renewed for a third season on April 26, 2013. The third season premiere on October 25, 2013 returned the show to its original Friday timeslot. On March 19, 2014, NBC announced that Grimm had been renewed for a fourth season, which premiered on Friday, October 24, 2014.