Sanctuary | 10pm on Syfy

While investigating a murder in India, Will falls ill and disappears; Magnus starts to put details together surrounding the Cult of Kali.

Celebrity Rehab | 10pm on VH1

Dr. Drew councils B-list celebrities with addictions. Season 3 opens with a cast that includes Kari Ann Peniche, Mackenzie Phillips, Heidi Fleiss, Dennis Rodman, Mindy McCready, Lisa D’Amato, Mike Starr, Joey Kovar and Tom Sizemore.

Heroes | 8pm on NBC

As Claire becomes immersed in the world of the carnival, she becomes increasingly suspicious of Samuel’s motives; Hiro goes on a mission to rescue one of his own; H.R.G. recruits Matt to help him take down Samuel.

The Real World | 10pm on MTV

This is the true story Seven eight strangers…picked to live in a house…work together and have their lives taped… to find out what happens… when people stop being polite… and start getting real…The Real World. D.C.

True Blood | 10pm on HBO

Vampires Malcolm, Liam and Diane make a hasty retreat after Bill lays claim to Sookie; Tara seeks respite from her mother’s rage; Jason turns to Lafayette for help.

Absolutely Fabulous Marathon | 8pm on BBC-A

Follow the drunken exploits of Patsy & Edina during this ABSOLUTELY FABULOUS marathon starting at 8pm and going until 5am Monday morning. If you’ve never see one of Britain’s best comedies then set the DVR…sweetie dahling.

Absolutely Fabulous | 9:20pm on BBC-A

“Christmas Special” – Edina makes a big effort to celebrate Christmas, but the festivities are cut short when Patsy collapses and ends up in the hospital. (Repeat)

Men of a Certain Age | 10pm on TNT

Joe tries to teach his son golf; Owen tries to get his sales figures up; Terry gets into his character a little too much.

Enchanted | 9pm on USA

Banished by an evil queen, a princess from a fairy-tale world lands in modern Manhattan, where music, magic and “happily ever after” are sorely lacking. Live action/animated. Amy Adams, Patrick Dempsey, James Marsden, Timothy Spall, Idina Menzel

Crash | 10pm on Starz

Season Finale: Season 2 concludes with Ben and Anthony confronting the diabolical Manson fanatics and discovering what really happened to Ben’s daughter. Meanwhile, following his brain surgery, Seth stages a party to kick off development of his city for the homeless.

The Mentalist | 10pm on CBS

While examining a crime scene where a baseball scout is found murdered, a ball hits Jane in the head and he flashes back to his childhood with his overbearing father (Nick Chinlund).

30 for 30 | 10pm on ESPN2

Filmmaker Kirk Fraser uses interviews with teammates, family and friends of Len Bias in an effort to determine what happened on the night Bias died.

The Mentalist | 10pm on CBS

Season Premiere: n the second-season opener, the Red John case is taken away from the team and given to another CBI team, led by Sam Bosco (Terry Kinney)

Community | 9:30pm on NBC

Series Premiere: A lawyer (Joel McHale) whose degree has been revoked forms a study group in the premiere of this comedy series following oddball students attending a Colorado community college. Chevy Chase also stars.

The Beautiful Life: TBL | 9pm on The CW

Series Premiere: Raina Marinelli, a model with a secret past, makes an unforgettable impression during New York Fashion Week; Sonja Stone desperately tries to reclaim her status as the reigning supermodel; Raina meets Chris Andrews, a new model from Iowa.