You, Me and the Apocalypse Layla and Jamie (Karla Crome, Mathew Baynton) plot to free Frankie from her kidnapper. Rob Lowe and Diana Rigg also star. 8 p.m. NBC
Grey's Anatomy While Arizona (Jessica Capshaw) handles the case of a woman who's expecting quadruplets, Richard (James Pickens Jr.) makes some baffling staffing changes. Rita Moreno, Casey Wilson and Lance Henriksen guest star. 8 p.m. ABC
American Idol Adam Lambert performs. 8 p.m. Fox
Top Chef The two remaining chefs get help mentors and former competitors as they prepare meals for a dining room filled with such...