The Tonight Show Starring Jimmy Fallon Season 4 Chelsea Handler, Mo Rocca, Cheat Codes ft. Demi Lovato Season 4, episode 145 Chelsea Handler, Mo Rocca, Cheat Codes ft. Demi Lovato May 22, 2017 45 min Previous episode Katy Perry, Josh Charles, Al Madrigal Next episode Gal Gadot, Barry Manilow