Sean Hayes in 'Sean Saves the World' review

Sean Saves the World Thursday, Oct. 3, 9 p.m., NBC "Will & Grace's" Sean Hayes waltzes back onto NBC's Thursday-night schedule fairly effortlessly in this new sitcom, in which he plays a gay single dad to a sullen teenage daughter (Sami Isler), with occasional meddling from his outspoken mother (Linda Lavin).