Yes, that is a pun in the episode title!
Here's the official description for the third episode of Grimm, which airs on 11/11/11.
A SOCIAL MEDIA CRAZE DISGUISES A STRING OF BIZARRE MURDERS - The station is abuzz as Nick (David Giuntoli) and Hank (Russell Hornsby) are called to a case where an innocent flash mob results in a gruesome homicide. As Nick delves further into the investigation, he learns more about his unique family history, and finds himself at odds when he and Hank are assigned to protect a dark character from his recent past. Bitsie Tulloch, Silas Weir Mitchell, Sasha Roiz and Reggie Lee also star.Comments on this site are temporarily disabled, so please come by the KSiteTV Forums to talk about this article as well as more of your favorite TV!