Saturday Night Live (SNL) is a late-night sketch comedy and variety show created by Lorne Michaels. It premiered on the NBC Television Network on October 11, 1975, under the title NBC's Saturday Night. The show often satirizes contemporary American popular culture and politics. Saturday Night Live features a two-tiered cast: the repertory members, also known as the "Not Ready for Prime-Time Players," and newer cast members, known as "Featured Players." Each week, the show features a host, often a well-known celebrity, who delivers an opening monologue and performs in sketches with the cast. A musical guest is also invited to perform several sets (usually two, occasionally more). Every so often a host or musical guest fills both roles. With the exception of season 7 and several other rare c