Highlights

Highlights

"The Biggest Loser: Families" (Channel 4 at 8) marks Thanksgiving with football-themed exercise, then ruins the tradition with a dinner that includes moderate portion sizes!

It's a hostage situation on "House" (Channel 5 at 8), which runs an extra eight minutes tonight as gun-wielding guest star Zeljko Ivanek terrorizes the docs until he gets medical attention.

"Nova" (Channel 26 at 8) features veterinarians who specialize in ocean mammals, including harbor seal pups. All together now: Awwww.

Ice cream and jelly beans on Turkey Day don't sound so appealing, but the adorable Snoopy can get away with just about anything on "A Charlie Brown Thanksgiving" (Channel 7 at 8).

The BET J Virtual Awards (BET J at 8) honor the best in music and entertainment, and will feature performances from Gnarls Barkley, Erykah Badu, Robin Thicke and the Roots.

Who will be the next winner on "Dancing With the Stars" (Channel 7 at 9)? The best of the best is crowned in the finale tonight.

Everyone assumes a drug dealer is responsible for a double murder on "The Mentalist" (Channel 9 at 9), but Patrick Jane's on a completely different page with a new suspect.

Chatting with her dead ex-boyfriend was great at first, but Olivia's had enough, demanding that her memory of John be erased on "Fringe" (Channel 5 at 9).

David Montgomery previews "Frontline: The Hugo Chavez Show" (Channel 26 at 10) on Page C1.

After seven seasons of laying down the law and indulging in quite a bit of corruption, Vic Mackey and the rest of the team end their run on the 90-minute series finale of "The Shield" (FX at 10).

"Without a Trace" (Channel 9 at 10) sends Jack and Samantha to Los Angeles, where their brewing romance distracts them from tracking down a man who vanished.

Olympic speedskating gold medalist Chad Hedrick and wife Lynsey Adams tie the knot on "Whose Wedding Is It Anyway?" (Style at 10) with the help of wedding planner guru Donnie Brown.

"The Real Housewives of Orange County" (Bravo at 10) returns for Season 4, in which Vicki tries to swap her house for a yacht -- an idea that her family shockingly opposes.

Benson's workload gets complicated on "Law & Order: SVU" (Channel 4 at 10) when she discovers a long-hidden crime while working on another case.

Actress Reese Witherspoon and musician Harry Connick Jr. are on "Late Show With David Letterman" (Channel 9, 11:35).

"The Tonight Show With Jay Leno" (Channel 4, 11:35) has actor Josh Brolin, comedian Chelsea Handler and a performance by the Killers.

-- Emily Yahr