Sarah Palin, Simon Cowell and the cast of Jersey Shore will appear in the first two weeks.
The network and the host have reached a $45 million exit deal.
The late-night host releases a statement that he won't host a show that airs at 12:05 AM.
NBC wants O'Brien's show to come on at 12:05am.
The network is still mulling its late-night options.
It seems NBC might move Leno back to a late-night slot, which could affect The Tonight Show With Conan O'Brien
The network announced its premiere dates for Friday Night Lights, The Biggest Loser, Parenthood and much more.
The longtime late-night host talks about his new show and the move to primetime.
The comedian will be joined by musical guests Jay Z, Kanye West, and Rihanna