8 p.m., CBSJulia Louis-Dreyfus) learns that her son Ritchie (Trevor Gagnon) is the school bully, she decides to set an example for him by apologizing to the woman she teased in school (guest-star Amy Sedaris).
9 p.m., ABCJesse Tyler Ferguson) and Cameron (Eric Stonestreet) take Lily to get her photo taken with Santa, and Jay (Ed O'Neill) has a hard time understanding Gloria (Sofia Vergara) and Manny's (Rico Rodriguez) holiday traditions. Plus, Fred Willard guest-stars as Phil's (Ty Burrell) dad.
9 p.m., FOXDianna Agron) baby-daddy secret is revealed, threatening the unity of New Directions right before Sectionals.
10 p.m., ABC
The 10 Most Fascinating People of 2009Barbara Walters talks to Kate Gosselin, Lady GaGa, Glenn Beck, and seven other headliners from 2009 during this annual special.
Season 6 finale, 10 p.m., BRAVO
Also on the airwaves ...
Man v. Food, 7 p.m., TRAVEL
So You Think You Can Dance, 8 p.m., FOX
The Middle, 8:30 p.m., ABC
Gary Unmarried, 8:30 p.m., CBS
Criminal Minds, 9 p.m., CBS
Dog the Bounty Hunter, 9 p.m., A&E;
Cougar Town, 9:30 p.m., ABC
CSI: NY, 10 p.m., CBS
Steven Seagal: Lawman, 10 p.m., A&E;
Nip/Tuck, 10 p.m., FX
Launch My Line, 11 p.m., BRAVO
What are you watching tonight?