For the third and least-watched season of “The Sing Off” (NBC, 8 p.m.) – it had a lot of competition – the finalists are the Dartmouth Aires, Pentatonix and Urban Method. One will win a $200,000 prize and a recording contract. The question is whether an acappella group could possibly be a hit.

Of more note is the season finale of the underrated “Bored to Death” (HBO, 9 p.m.), left, starring Jason Schwartzman, Ted Danson and Zach Galifianakis. The fast-moving and funny send up of detective tales is one of the best comedies around.

The Christmas specials begin to dot the broadcast schedules with the 1966 animated “How the Grinch Stole Christmas” (ABC, 8 p.m.) and the first rate “Shrek the Halls” (ABC, 8:30 p.m.). On cable, there’s Bill Murray in “Scrooged” (AMC, 8 and 10 p.m.), “Eve’s Christmas” (Hallmark, 8 p.m.), “On Strike for Christmas” (Lifetime, 8 p.m.), “The Night Before Christmas” (Hallmark, 10 p.m.) and “A Diva’s Christmas Carol” (Lifetime, 10 p.m.).”A Bug’s Life” (ABC Family, 9 p.m.).

The end of November sweeps means networks revert back to reruns. But there are new episodes of “Gossip Girl” (The CW, 8 p.m.) and the new game show “You Deserve It” (ABC, 9 p.m.).

They’re still planning for Thanksgiving on “Hart of Dixie” (The CW, 9 p.m.).

Animated features tonight include “Happy Feet” (ABC Family, 6:30 p.m.) and ”

Models seek representation, two by two, each week, on the new reality show “Scouted” (E!, 10 p.m.).

“Pawn Stars” (History, 10 p.m.), the original pawn shop reality series, is back for a new episodes from Vegas while “American Pickers” (History, 10:30 p.m.) hits the road looking for stuff.

“Rizzoli & Isles” (TNT, 10 p.m.) also returns for some new episodes. In the first, Bill O’Reilly appears, portraying himself. It comes alongside a new episode of “The Closer” (TNT, 9 p.m.), resuming its final season.

It’s the fall finale, meanwhile, for “House” (Fox, 9 p.m.).

Twelve new contestants try out to become “The Next Great Baker” (TLC, 9 p.m.) in the second season of the show hosted by Buddy Valastro, whose “Cake Boss” (TLC, 10 p.m.) reaches its season finale.

A new season for “Diners, Drive-Ins & Dives” (Food Network, 10 p.m.) begins with stops in Vancouver, Detroit and Chicago.

Anthony Bourdain doesn’t go far in the second episode of “The Layover” (Travel, 9 p.m.). Instead, it’s New York City, his homebase, where one of his stops is the burger place in the La Parker Meridien hotel, a place I have actually been.

“Vanguard: The War on Weed” (Current, 9 p.m.) examines the inconsistent enforcement of marijuana laws nationwide.

The blondes star again on Turner Classic Movies, with Julie Christie in “Doctor Zhivago” (8 p.m.) and “Billy Liar” (11:30 p.m.); and Diana Dors in “An Alligator Named Daisy” (1:15 a.m.) and “The Unholy Wife” (3 a.m.).

In Monday Night Football (ESPN, 8:30 p.m.), its Giants at Saints.

In college basketball, it’s Long Beach State at Louisville (ESPNU, 7 p.m.), Xavier at Vanderbilt (ESPN2, 7 p.m.) and Tennessee at Oakland (ESPNU, 9 p.m.).

Daytime Talk

Kelly Ripa: Angie Harmon, Avril Lavinge, Neil Patrick Harris. The View: Meredith Vieira, Richard Cohen, Nancy Travis. The Talk: Tori Spelling, Dylan McDermott, Billy Miller. Ellen DeGeneres: Minnie Driver, Sarah Hyland. Wendy Williams: Simon Cowell, Tracy Dimarco, Olivia Blois Sharpe, Gigi Liscio. Rosie O’Donnell: Rosanne Barr.

Late Talk

David Letterman: Robert Pattinson, Annie Leibovitz, David Crosby  & Graham Nash (rerun). Jay Leno: Kirstie Alley, Damon Wayans Jr., She & Him. Jimmy Kimmel: Regis Philbin, the Civil Wars. Jimmy Fallon: Betty White, Jack Huston, Diggnation, Jimmy Cliff. Craig Ferguson: Aisha Tyler, Justin Moore, Tom Lennon. Tavis Smiley: Howaard Dean, Ralph Fiennes. Carson Daly: Michael “Mafia Boy” Calce, Cold War Kids (rerun). Jon Stewart: Merrill Markoe. Stephen Colbert: Siddhartha Mukherjee. Conan O’Brien: Jason Segel, Shaun-T, Das Racist . Chelsea Handler: Miranda Kerr, Josh Wolf, Fortune Feimster, Greg Fitzsimmons.