The Tonight Show Starring Jimmy Fallon Season 4 Michael Fassbender, Jon Glaser, Niall Horan Season 4, episode 55 Michael Fassbender, Jon Glaser, Niall Horan December 13, 2016 45 min Previous episode Bryan Cranston, Hailee Steinfeld, OneRepublic Next episode Arnold Schwarzenegger, Elle Fanning, Childish Gambino