Next → The third season of the American premiered in the United States on on September 21, 2006, and concluded on May 17, 2007. The season had a total of 25 half-hours of material, divided into 16 half-hour episodes, five 40-minute 'super-sized' episodes, and two one-hour episodes. The Office is an American adaptation of the as a portraying the daily lives of office employees in the Scranton, Pennsylvania branch of the fictitious. The season marked the move of main character () from to, and also introduced as, and as —both members of Dunder Mifflin Stamford—as recurring characters. Helms would later be promoted to series regular.