The Tonight Show Starring Jimmy Fallon Season 5 Rebel Wilson, Paul Reiser, Gwen Stefani Season 5, episode 50 Rebel Wilson, Paul Reiser, Gwen Stefani December 19, 2017 45 min Previous episode Anna Kendrick, Rhett & Link, Randy Newman Next episode Christoph Waltz, Beanie Feldstein, Cardi B, Erykah Badu