The Tonight Show Starring Jimmy Fallon — Episode 160: Sylvester Stallone/Marlon Wayans/Mariah the Scientist

You are watching the episode Sylvester Stallone/Marlon Wayans/Mariah the Scientist Actor Sylvester Stallone (TV series, "Tulsa King"); actor Marlon Wayans (movie, "Him"); Mariah the Scientist performs;