NBC has released a Season 4 preview titled “You Ain’t Seen Nothing Yet” where actors David Giuntoli, Silas Weir Mitchell, Russell Hornsby and Claire Coffee give hints about what will happen in the new season of Grimm. Take a look at the video.
http://youtu.be/GQhMnCaqccU
Grimm – Preview: You Ain’t Seen Nothing Yet (Digital Exclusive)
David Giuntoli, Silas Weir Mitchell, Russell Hornsby and Claire Coffee hint at what’s to come in Grimm’s fourth season.