Saturday Night Live (SNL) is a weekly late night 90-minute American comedy-variety show based in New York City which has been broadcast by NBC nearly every Saturday night since its debut on October 11, 1975. It is one of the longest-running network entertainment programs in American television history. Each week, the show's cast is joined by a guest host and a musical act. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.