The Tonight Show Starring Jimmy Fallon Season 4 Will Ferrell, Alison Brie, Shawn Mendes Season 4, episode 160 Will Ferrell, Alison Brie, Shawn Mendes June 19, 2017 45 min Previous episode Kirsten Dunst, Larry the Cable Guy, Nikki Glaser Next episode Amy Poehler, Zendaya, Imagine Dragons, Dweezil Zappa