The Cosby Show is an American television sitcom created by and starring Bill Cosby that originally aired on NBC from September 20, 1984, to April 30, 1992, with a total of 201 half-hour episodes spanning eight seasons, including an outtakes special. The show focuses on the Huxtables, an upper middle-class Black American family living in Brooklyn, New York; the series was based on routines in Cosby's stand-up comedy act, which in turn were based on his family life. The series spawned a spin-off, titled A Different World, which ran from September 24, 1987, to July 9, 1993, with a total of six seasons consisting of 144 episodes.