Jimmy Fallon and Justin Timberlake are kids at Camp Winnipesaukee, singing "What's Up" by 4 Non Blondes and Gloria Estefan's "Rhythm Is Gonna Get You" with cameos from Billy Crystal and Keegan-Michael Key.
The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show including: comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives.