Grimm ended on March 31st, 2017. Grimm’s Complete Collection will be available in stores a couple of months after its ending. Universal Studios Home Entertainment has officially announced Grimm – The Complete Collection on DVD and high-def Blu-ray Disc. It will be released in stores on June 13th, 2017. On the same day, Grimm – Season 6 on DVD and high-def Blu-ray Disc will also be available. Source: TVShowsOnDVD
Check out the first look at the package art for the DVD and Blu-ray Disc.