"American Idol" 8 p.m. Fox — Lazaro may be the next guy gone.

"The Big Bang Theory" 8 p.m. CBS — The guys' competition for a tenured professorship leads to shameless schmoozing.

"Grey's Anatomy" 9 p.m. ABC — Meredith asks Cristina a favor concerning her kids.

"The Office" 9 p.m. NBC — Promos begin airing about their documentary.

"Person of Interest" 9:01 p.m. CBS — Finch goes undercover at a corporation.

"Hannibal" 10:01 p.m. NBC (new series) — Criminal profiler Will Graham teams with psychiatrist Hannibal Lecter to solve a string of murders.

"Scandal" 10:02 p.m. ABC —When details from an old case don't add up, Olivia's team backtracks to figure out what went wrong.