Home Mast TV Late Knight Late Knight – Season 1, Episode 1 Late Knight – Season 1, Episode 1 By Mast Media - November 19, 2015 Executive Producer and host Sam Ellefson promises to make you laugh when “Saturday Night Live” meets “The Tonight Show” in Mast Media’s new entertainment show, “Late Knight.” Share your thoughts RELATED ARTICLESMORE FROM AUTHOR Late Knight How the Grinch Stole Late Knight Culture Late Knight Valentine’s Day Special Culture Late Knight presents Valentine’s Day episode tonight