The Tonight Show Starring Jimmy Fallon Season 2 Season 2, episode 65 Robert Downey Jr., Fran Lebowitz, Zac Brown Band April 27, 2015 45 min Actor Robert Downey Jr.; author Fran Lebowitz; Zac Brown Band performs. Previous episode Chris Pratt, Elizabeth Olsen Next episode Jeremy Renner, Edie Falco, Tori Kelly