The Tonight Show's Conan O'Brien has released a statement, expressing disappointment in the NBC's decision to bump his show by half an hour.
The network has said it is going to shift former Tonight Show host Jay Leno back to his old 11.35pm timeslot after the Winter Olympics, with O'Brien following him at 12.05am.
In his statement, O'Brien says: "I sincerely believe that delaying the Tonight Show into the next day to accommodate another comedy programme will seriously damage what I consider to be the greatest franchise in the history of broadcasting.
"The Tonight Show at 12:05 simply isn't the Tonight Show."
O'Brien also says he had hoped he would have some time to establish himself on the show.
"It was my mistaken belief that, like my predecessor, I would have the benefit of some time and, just as important, some degree of ratings support from the prime-time schedule.
"After only seven months, with my Tonight Show in its infancy, NBC has decided to react to their terrible difficulties in prime time by making a change in their long-established late night schedule."
O'Brien says he has had no other offers from any other networks and has "no idea what happens next".
Both O'Brien and Leno earlier used their television shows to parody NBC's de cision to re-jig its late night line-up.