Madagascar (8pm, Animal Planet) - A new Animal Planet special in which conservationists examine the biodiversity of Madagascar and its unique plants and animals. Lemurs!!!
Undercover Boss (9pm, CBS) - The Season 2 finale features Tim White, the chancellor of University of California, who works undercover on his own campus.
Law & Order: Criminal Intent (9pm, USA) - Goren and Eames are back for the final season! In tonight's Season 10 premiere, the two beloved detectives team up to investigate the death of a call girl that takes a weird turn with a Charlie Sheen-type character (played by Jay Mohr). The probe soon leads to a hard-partying designer and the heads of a fashion house, who may have gone to great lengths to protect the business.
Celebrity Apprentice (9pm, NBC) - On one hand, Donald Trump. On the other hand, NeNe Leakes to Star Jones: "You talked a good game, now bring your street game. Now, where's Barbara Walters?" I'm sorry. I have to watch.
Who Killed Chandra Levy (9pm, TLC) - TLC calls this a "docudrama" about the 2001 disappearance and death of Washington, D.C. intern Chandra Levy.
South Riding (9pm, UNC-TV) - 'Upstairs Downstairs' just ended and already Masterpiece Theatre has a new three-part series to keep us hungry for British culture. Tonight is part one of an adaptation of Winifred Holtby's 1936 novel about a teacher (Maxwell Martin, left)) who returns home to Yorkshire to apply for the headmistress position at a girls' school, and butts heads with a landowner (David Morrissey) who dislikes her social agenda and pacifist views. You can watch a preview of 'South Riding' at PBS.org.
In Plain Sight (10pm, USA) - In the Season 4 premiere, Mary seeks help from a witness to help clear Brandi of grand theft auto charges.
The Killing (10pm, AMC) - A suspect's family, neighbors and friends are grilled by Sarah and Holder. Rosie's funeral is held, and Stan intensifies his own investigation into his daughter's murder.
Brothers & Sisters (10pm, ABC) - Sarah confronts Brody over the fact that he's her real father, which creates a dilemma for Nora, who is in love with him.
Treme (10pm, HBO) - Toni helps a Massachusetts man who wants to know what happened to his son after Katrina, and Albert plans to cook a Thanksgiving turkey whether or not he has a place to do it.