NEW : Mediaweek analyst predicts three among Leno , Leno and Fallon will leave . NEW : Leno to host 10 p.m. show starting at 11:35 p.m . ET ; O'Brien moving to 12:05 a.m. Leno 's 10 p.m. show to go off the air September when `` Tonight Show '' start . While NBC appeared to be fine with Leno 's numbers , the affiliates `` kind of revolted and said we have to have better ratings , '' Levine said . TV host moved to 10 p.m. slot in September ; ratings have been low .
NEW : Mediaweek analyst predicts three among Leno , Leno and Fallon will leave . NEW : Leno to host 10 p.m. show starting at 11:35 p.m . ET ; O'Brien moving to 12:05 a.m. Leno 's 10 p.m. show to go off the air September when `` Tonight Show '' start . TV host moved to 10 p.m. slot in September ; ratings have been low .