NBC has renewed the popular series "The Office," "30 Rock" and "The Biggest Loser" each for an additional year through the 2009-2010 season, it was announced today by Angela Bromstad, President, Primetime Entertainment, NBC and Universal Media Studios, and Paul Telegdy, Executive Vice President, Alternative Programming, NBC and Universal Media Studios."These renewals represent our faith in 'The Office' and '30 Rock' as they continue to represent the gold standard in acclaimed and award-winning series," said Bromstad. "We want the devoted fans of these series to know that we are thrilled that these quality programs will be back with the same high-caliber episodes that viewers have come to expect.""'The Biggest Loser' is a positive, life-enhancing show that has resonated with our audience and has created a solid and loyal fan base," said Telegdy. "This inspirational franchise series will continue with fresh ideas and heartwarming stories."