Sesame Street: LL Cool J goes on an Addition Expedition

Enjoy this sneak peek from Season 39 of Sesame Street, which launches on August 11 along with a fantastic new website at http://www.sesamestreet.org In this clip, LL Cool J sings the Addition Expedition. Sesame Street is a production of Sesame Workshop, a nonprofit educational organization which also produces Pinky Dinky Doo, The Electric Company, and other programs for children around the world.