Frasier is an American sitcom that was broadcast on NBC for eleven seasons from September 16, 1993, to May 13, 2004. A spin-off of Cheers, Frasier starred Kelsey Grammer, David Hyde Pierce, John Mahoney, Jane Leeves, Peri Gilpin, and Moose. It was one of the most successful spin-off series in television history, as well as one of the most critically acclaimed comedy series.