<Tr> <Td_colspan="2"> Next → Season 2 </Td> </Tr> <Tr> <Td_colspan="2"> List of The Office (U.S. TV series) episodes </Td> </Tr> <P> The first season of the American television comedy The Office premiered in the United States on NBC on March 24, 2005, concluded on April 26, 2005, and consists of six episodes . 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 . </P> <P> This season introduced the main characters, and established the general plot, which revolves around Michael Scott (Steve Carell), regional manager of the Scranton branch office, trying to convince the filmmakers of the documentary that he presides over a happy, well - running office . Meanwhile, sales rep Jim Halpert (John Krasinski) finds methods to undermine his cube - mate, Dwight Schrute (Rainn Wilson); receptionist Pam Beesly (Jenna Fischer) tries to deal with Michael's insensitivities and flubs; and temporary employee Ryan Howard (B.J. Novak) is acting mostly as an observer of the insanity around him . </P>

When was the first season of the office