Camp Winnipesaukee with Justin Timberlake, Keegan-Michael Key and Billy Crystal

Also available on the NBC app

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.

Available until 09/07/18
Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, Camp Winnipesaukee, justin timberlake, Keegan-Michael Key, Billy Crystal
S4 E18610 minHighlightTalk and InterviewLatenight