The Simpsons (8pm, Fox) - In the Season 23 finale, Lisa tries to boost her popularity by ghostwriting positive things about herself on the school blog. Lady Gaga stars.
Billboard Music Awards (8pm, ABC) - Julie Bowen and Ty Burrell of "Modern Family" host, and scheduled performers include Justin Bieber, Carrie Underwood and LMFAO. Stevie Wonder recieves the Icon Award.
Bob's Burgers (8:30pm, Fox) - Gene upstages Bob during a cooking segment on the morning news in the Season 2 finale.
Jesse Stone: Benefit of the Doubt (9pm, CBS) - Tom Selleck reprises his Jesse Stone role for this new movie, in which the stoic ex-cop investigates a mob-related double homicide while he struggles to regain his former position of Paradise police chief.
Masterpiece Mystery: Sherlock (9pm, UNC-TV) - Season 2 concludes with "The Reichenbach Fall," which finds the sleuth's reputation in tatters after Moriarty pulls off three ingenious capers in a single day. He then plants seeds of doubt in the press about Sherlock's deductive abilities by making it appear that his past successes were staged. Loosely based on Arthur Conan Doyle's "The Final Problem" short story.
Family Guy (9pm, Fox) - In the season 10 finale, we get a British version of the Griffins, a comedian takes over Quahog, and the world from Stewie's point of view. And more angry chicken.
The Celebrity Apprentice (9pm, NBC) - Clay Aiken battles Arsenio Hall for top honors in tonight's finale. The two men, along with their teams of former contestants, must successfully stage their celebrity charity event. The winner is announced live.
Mad Men (10pm, AMC) - Christmas proves rewarding to many at the firm, and Harry does a good deed for a friend.
Mrs. Eastwood & Company (10pm, E!) - The official premiere of the new reality series following the lives of Clint Eastwood's wife Dina and daughters Francesca and Morgan.
Veep (10pm, HBO) - Selina becomes obsessed with bloggers' nicknames for her.