Black Eyed Peas, Derek Hough, Hayley Erbert, Fortune Feimster, Jason Biggs, Jenny Mollen, Julianne Hough, Kal Penn, The Muppets, NE-YO, Raven Symoné and Retta perform classic Schoolhouse Rock! hits.
Self
Self
Self
Self
Self
Self
Self
Self
Self
Self
Self
Self
Self
Self
Self
Kermit (voice)
Fozzie (voice)
