“Hell’s kitchen” (8 p.m., Fox): The food fight reaches the knockout round as the

“Hell’s kitchen” (8 p.m., Fox): The food fight reaches the knockout round as the winner is chosen after the two finalists are challenged to create five unique dishes and then prepare for the final dinner service. The winner nabs $250,000 and a post at Gordon Ramsay’s eatery in Las Vegas.

“Project runway” (9 p.m., Lifetime): The new season gets ruthless right from the start as the contestants are told that they must endure one more audition. Three will be sent packing even before the first challenge.

TV listings, B8