8 p.m., FOXEmily Deschanel) and Booth (David Boreanaz) examine the death of a woman whose remains were found inside a shark—and Booth takes an interest in the marine biologist (guest star Rena Sofer) helping them with the case.
8:30 & 9:30 p.m., NBCAlec Baldwin) must choose between childhood sweetheart Nancy Donovan (Julianne Moore) and feisty anchor Avery Jessup (Elizabeth Banks). In the second, Liz (Tina Fey) finds out that the staff isn't including her in their weekly get-togethers, so she tries to prove to them that she can actually have fun.
9 p.m., NBCEd Helms) tries to make Secretaries' Day extra-special for new girlfriend Erin (Ellie Kemper)—but Michael (Steve Carell) ruins it by blabbing about Andy and Angela's (Angela Kinsey) past.
Season 8 finale, 10 p.m., FOOD
Season 7 finale, 10 p.m., LIFE
Also on the airwaves...
FlashForward, 8 p.m., ABC
Survivor, 8 p.m., CBS
Community, 8 p.m., NBC
The Vampire Diaries, 8 p.m., CW
Private Practice, 9 p.m., ABC
CSI, 9 p.m., CBS
Fringe, 9 p.m., FOX
Supernatural, 9 p.m., CW
The Mentalist, 10 p.m., CBS
The Marriage Ref, 10 p.m., NBC
The Real Housewives of New York City, 10 p.m., BRAVO
NBA Basketball Playoffs: Cavaliers v. Bulls, Lakers v. Thunder
NHL Hockey Playoffs: Senators v. Penguins, Avalanche v. Sharks, Blackhawks v. Predators
What are you watching tonight?