Sneak Peek official images from the next episode of "Grimm", titled "Endangered",airing on NBC April 26, 2013, starring David Giuntoli, Russell Hornsby, Silas Weir Mitchell, Bitsie Tulloch, Kate Burton, Reggie Lee, Bree Turner, Sasha Roiz and Claire Coffee:
"...mysterious cow mutilations and reports of glowing creatures put 'Nick' (Giuntoli) on a case that forces him to question the existence of aliens within the 'Wesen' world.
"He also meets a strange UFO expert who seems to know more than he's letting on.
"Meanwhile, Nick digs further into the key...
"...and romantic memories from 'Juliette' (Tulloch) about Nick, start coming back in a big way..."
Click the images to enlarge...
