NBC has released the promo for the fifteen episode of Grimm’s season 4 titled “Double Date”, which will air March 27th, 2015.
03/27/2015 (08:00PM – 09:00PM) (Friday) : THE SCENE OF A MURDER TRAILS BACK TO A STRANGE LOVERS’ QUARREL – ALEXIS DENISOF GUEST STARS – Nick (David Giuntoli) and Hank (Russell Hornsby) are called to investigate a one night stand turned deadly when a man finds himself in the middle of a very bizarre love triangle. Captain Renard (Sasha Roiz) hopes Monroe (Silas Weir Mitchell) and Rosalee (Bree Turner) can help him deal with recurring episodes of phantom bleeding. Meanwhile, Adalind (Claire Coffee) makes a discovery that might turn the tables in her favor and Juliette (Bitsie Tulloch) makes a big decision that could change the course of her relationship with Nick. Reggie Lee also stars.