The Tonight Show Starring Jimmy Fallon Season 6 Kevin Delaney, Zachary Quinto, Betty Gilpin, Mike Vecchione Season 6, episode 168 Kevin Delaney, Zachary Quinto, Betty Gilpin, Mike Vecchione July 25, 2019 45 min Previous episode Naomi Watts, Mike Birbiglia, Midland Next episode Rachel Brosnahan, Carla Gugino, Kyle “Bugha” Giersdorf, Ty Dolla $ign