NBC Unveils Fall Season

Ali Larter of the NBC drama "Heroes" on the red carpet at the NBC Upfronts at Radio City Music Hall in New York on May 14, 2007. To stretch the normal 22-episode season of "Heroes," which faltered after its long hiatus this season, NBC will add "Heroes: Origins." The spinoff will introduce a new character each week, and viewers will select which one stays for the following season.

Hayden Panettiere of the NBC drama "Heroes" on the red carpet at the NBC Upfronts at New York's Radio City Music Hall on May 14, 2007. All the major networks are holding "upfronts" this week, at which they unveil their fall lineup to advertisers.

Actors Hayden Panettiere and Adrian Pasdar, in back, goof around at the NBC Upfronts at Radio City Music Hall in New York on May 14, 2007.

Actress Brooke Shields of the new series "Lipstick Jungle" attends the NBC Upfronts at New York's Radio City Music Hall on May 14, 2007. Shields heads up the hour-long series about three high-powered women friends, with a script from "Sex and the City" author Candace Bushnell.

Actress Lindsay Price of the new series "Lipstick Jungle" attends the NBC Upfronts at Radio City Music Hall in New York on May 14, 2007.

Actress Kim Raver of the new series "Lipstick Jungle" attends the NBC Upfronts at New York's Radio City Music Hall on May 14, 2007.

Actress Sarah Lancaster of the new NBC series "Chuck" attends the NBC Upfronts at New York's Radio City Music Hall on May 14, 2007. "Chuck" is a thriller about a computer geek who becomes a government agent after spy secrets are embedded in his brain.

From left, actors Will Yun Lee, Michelle Ryan and Miguel Ferrer of the new series "Bionic Woman" attend the NBC Upfronts at Radio City Music Hall in New York on May 14, 2007.

Actors Minka Kelly, Adrianne Palicki, Connie Britton and Aimee Teegarden of the football-themed series "Friday Night Lights" attend the NBC Upfronts at Radio City Music Hall in New York on May 14, 2007.

Actors Kyle Chandler, Taylor Kitsch, Zach Gilford and Scott Porter of "Friday Night Lights" attend the NBC Upfronts at New York's Radio City Music Hall on May 14, 2007.

CBS News 24/7