Friends is an American sitcom created by David Crane and Marta Kauffman, which aired on the National Broadcasting Company (NBC) from September 22, 1994 to May 6, 2004. The series revolves around a group of friends in Manhattan. The series was produced by Bright/Kauffman/Crane Productions, in association with Warner Bros. Television. The original executive producers were Crane, Kauffman and Kevin S. Bright, with numerous others being promoted in later seasons. Kauffman and Crane began developing Friends under the title Insomnia Cafe in November/December 1993. They presented the idea to Bright, with whom they had previously worked, and together they pitched a seven-page treatment of the series to NBC. After several script rewrites and changes, including a second title change to Friends Like Us, the series was finally named Friends and premiered on NBC's coveted Thursday 8:30 pm timeslot. Filming for the series took place at Warner Bros.