The comedy's sixth season has been bumped up to 25 episodes.
January 21, 2010
In the wake of The Jay Leno Show being canceled, NBC has ordered additional episodes of many of its shows to fill the empty time slots. Benefitting from this is The Office, which sees its sixth season extended to 25 episodes.
(Source: TV by the Numbers)
On Air: 03/24/05 - Present
Network: NBC
On DVD: Yes