The Harlem Shake is spreading like the plague throughout the internet and television, and it seems nothing can truly stop it. Last week, The Simpsons integrated the dance craze into their show's opening couch gag segment. Today, we have a new video from the set of Supernatural, showing Jensen Ackles and Jared Padalecki cutting a rug to the Harlem Shake, while standing inside a large pentagram. Could they be saying that The Harlem Shake is a concoction of the devil? Take a look as the cast and crew of Supernatural get down with The Harlem Shake.