The Tonight Show Starring Jimmy Fallon Season 1 Season 1, episode 141 Robert Downey Jr., Ira Glass, Big & Rich October 8, 2014 45 min Actor Robert Downey Jr.; producer Ira Glass; Big & Rich performs. Previous episode Kristen Stewart, Artie Lange, Jason Aldean, Nas Next episode Steve Carell, Julianne Hough, Philip Selway featuring the Dap-Kings