"WOMAN IN BLACK"
05/18/2012 (09:00PM - 10:00PM) (Friday) : SEASON FINALE -- THE SEARCH FOR THE MYSTERIOUS GOLD COINS INTENSIFIES AS THE BODY COUNT IN PORTLAND RISES - MARY ELIZABETH MASTRANTONIO AND BREE TURNER GUEST STAR - As Nick (David Giuntoli) delves deeper into his life as a Grimm, a trail of grotesque murders reignites the search for the elusive gold coins. The arrival of a mysterious woman in black (guest star Mary Elizabeth Mastrantonio) begins to get in the way of Nick and Hank's (Russell Hornsby) investigation as extra precautions have to be taken to ensure their safety. Meanwhile, Nick's ability to keep his true nature secret from Juliette (Bitsie Tulloch) comes to a tipping point. Silas Weir Mitchell, Sasha Roiz and Reggie Lee also star.