The sixth season of the American television comedy The Office premiered in the United States on NBC on September 17, 2009, and concluded on May 20, 2010. The season consisted of 22 half-hour episodes, and 2 hour-long episodes to comprise the 26 total episodes of material created. The Office is an American adaptation of the British TV series of the same name, and is presented in a mockumentary format, portraying the daily lives of office employees in the Scranton, Pennsylvania branch of the fictitious Dunder Mifflin Paper Company. The season stars Steve Carell, Rainn Wilson, John Krasinski, Jenna Fischer, B. J. Novak, and Ed Helms, with supporting performances from Leslie David Baker, Brian Baumgartner, Creed Bratton, Kate Flannery, Mindy Kaling, Ellie Kemper, Angela Kinsey, Paul Lieberstei