The Tonight Show Starring Jimmy Fallon Season 1 Jason Segel, Steve Harvey, Alicia Keys Season 1, episode 119 Jason Segel, Steve Harvey, Alicia Keys September 8, 2014 45 min Actor Jason Segel; TV host Steve Harvey; Alicia Keys performs with The Roots. Previous episode Claire Danes, Mo’ne Davis, Fences ft. Macklemore Next episode Keith Richards, Debra Messing