The Tonight Show Starring Jimmy Fallon Season 4 Jon Hamm, Colleen Ballinger, Kings of Leon Season 4, episode 20 Jon Hamm, Colleen Ballinger, Kings of Leon October 14, 2016 45 min Previous episode Vin Diesel, Norman Reedus, Christine and the Queens Next episode Ricky Gervais, Evan Rachel Wood, Michael Bublé