: Sergeant Wu begins to connect the dots regarding the "monsters" he has seen, putting pressure on Nick and Hank to tell him the truth.
Watch the official trailer for Season 4 to see Nick navigating life without his Grimm powers: Watch GR Grimm S04E01 HDTV x264-LOL
: Episodes are also available for purchase on Google Play Movies and YouTube. Episode Guide: "Thanks for the Memories" : Sergeant Wu begins to connect the dots