PREMIERE! Fear Factor, 8-10 PM on NBC: Fear Factor is back — and it’s bigger and crazier than ever.
Terra Nova, 8-9 PM on FOX: In “Within,” the penultimate episode of Season 1, Lucas (Ashley Zuckerman) races to complete his mystery device before the 11th Pilgrimage arrives. As the colony prepares for war, Taylor (Stephen Lang) and Jim (Jason O’Mara) confront Terra Nova’s “Sixer” mole.
The Real Housewives of Beverly Hills, 9-10 PM on Bravo: Lisa and Taylor descend on Las Vegas for Pandora’s bachelorette party (complete with Chippendales!), while Adrienne takes the other ladies to her casino for their own wild time in the all-new Season 2 episode “A Book, a Bachelorette, and a Breakdown.” [WATCH THE PREVIEW]
Stephen King’s Bag of Bones, 9-11 PM on A&E: In the conclusion of this miniseries based on Stephen King’s Bag of Bones, a novelist grieving the loss of his wife travels to a lakeside home where he befriends a widow and her daughter... and is visited by the ghost of a blues singer.
New Girl, 9-9:30 PM on FOX: In New Girl’s Christmas episode, “The 23rd,” the roommates hit up Schmidt’s (Max Greenfield) office holiday party, and Jess (Zooey Deschanel) worries when Paul (guest star Justin Long) gives her an expensive gift. [WATCH THE PREVIEW]
The Real Housewives of Atlanta, 9-10 PM on Bravo: Phaedra represents Sheree in a court battle against Sheree’s ex-husband, and Kim brings the baby home in the all-new “Law by Sheree.”
Grimm, 10-11 PM on NBC: In the all-new “Let Your Hair Down,” a mysterious homicide deep in the woods leads Nick (David Giuntoli) and Hank (Russell Hornsby) to reopen a long-aborted missing persons case.
FINALE! Survivor: South Pacific, 8-10 PM on CBS: The jury interviews the final three castaways before picking a winner in the Season 23 finale. (Yes, the show’s been on for that long.)
FINALE! Next Iron Chef: Super Chefs, 9-10 PM on The Food Network: After a heated holiday-themed battle in Kitchen Stadium, a new culinary master joins the Iron Chef pantheon in this Season 4 finale.
FINALE! Dexter, 9-10 PM on SHO: In the Season 6 finale, “This Is the Way the World Ends,” Dexter (Michael C. Hall) and Homicide try to stop the Doomsday Killers from committing one final murder.
The Real Housewives of Atlanta, 9-10:15 on Bravo: Kim and her family move into their dream mansion, tension builds between Phaedra and Sheree, and Cynthia hosts a grand-opening party for her modelling school in Season 4’s “New Tricks.”
FINALE! Homeland, 10-11:30 PM on SHO: In the Season 1 finale, “Marine One,” Carrie (Claire Danes) is confined to bed as Saul (Mandy Patinkin) puzzles over the disturbing implications of her time line. Brody (Damien Lewis) prepares for a vice presidential policy summit.
Barbara Walters Presents the 10 Most Fascinating People of 2011, 9:30-11 PM on ABC: In her 19th annual rundown of 2011’s “Most Fascinating People,” Barbara Walters highlights Simon Cowell, Jesse Tyler Ferguson and Eric Stonestreet, the Kardashians, Katy Perry, Derek Jeter, Pippa Middleton, and Donald Trump.
The X Factor, 8-9:30 PM on FOX: The final four acts hit the stage.
American Horror Story, 10-11 PM on FX: Vivien (Connie Britton) has her baby (wait, why not “babies”?), and Violet (Taissa Farmiga) and Tate (Evan Peters) try to rid the house of some of the ghosts once and for all in “Birth.”
Top Chef, 10-11 PM on Bravo: Down in the Lone Star State, the remaining cheftestants create a dish to go with tequila. Later, they work with game. Let the hunt begin!