What’s On TV Tonight? – 12/20/2012

Credit: FOX

8:00 PM EST

NICK’S PICK: The X Factor (“Season Finale, Part Two”) – Khloé and Mario announce the winner; performances by One Direction and Pitbull. (FOX)

I Want a Dog for Christmas, Charlie Brown! – ReRun wants a dog for Christmas. But when his mother and sister say he’s not ready for the responsibility, he asks Charlie Brown if he can play with Snoopy. Initially willing, Snoopy soon tires of ReRun’s company, so he calls his cousin Spike to come to town for a visit. ReRun’s family takes Spike in, and for a while everyone’s happy, until Spike decides he needs to go back to his desert home and ReRun agrees that a dog is really a lot of work after all. (ABC)

A White House Christmas: First Families Remember – First families share holiday memories from their time in the White House; the staff prepares for the holiday season. (NBC)

9:00 PM EST

The Real Housewives of Miami (“Healing Hole”) – The weather keeps the ladies in Bimini; they return to Miami with determination to improve their lives. (Bravo)

CMA Country Christmas – Country music stars share their favorite holiday traditions and memories; Jennifer Nettles hosts. (ABC)

Project Runway All Stars (“Flapper Fashion Face-Off”) – The final six designers must create looks for one of three vintage 1920s events and then face off against each other in pairs of two. (Lifetime)

Burn Notice (“You Can Run”; “Game Change”) [SEASON FINALE] – Michael tries to leave the country with his team; Sam and Jesse are taken captive; Michael must figure out a rescue plan before time runs out. (USA Network)

10:00 PM EST

SERIES FINALE: Jersey Shore (“The Icing on the Cake”) – The roommates prepare to say their last goodbyes. (MTV)

It’s Always Sunny in Philadelphia (“Reynolds vs. Reynolds: The Cereal Defense”) [SEASON FINALE] – Frank and Dennis present their cases to the rest of the gang at Paddy’s. (FX)

The League (“A Krampus Carol”; “The Curse of Shiva”) [SEASON FINALE] – Andre and Trixie’s relationship is put to the test; Jenny and Pete make special offerings to Shiva; Rupert Ruxin has a gift for his son; Taco challenges the mall Santa; Gina Gibiatti returns and Pete has a decision to make; Ruxin enlists Rafi to protect himself during scrote season; Taco Corp. has a New Years Eve bash. (FX)

Rock Center with Brian Williams – Journalist Richard Engel and his crew members discuss their time in Syria; acts of kindness; The Daniel Plan diet and fitness regimen; author James Patterson; marriage proposals made at Rockefeller Center during the holiday season; hot topics. (NBC)

LATE NIGHT

Conan welcomes Paul Rudd; Rita Wilson; Ben Gibbard. (11:00 PM EST, TBS)

Chelsea Lately has Judd Apatow, promoting the movie “This is 40”; Bobby Lee; Heather McDonald; Ryan Stout. (11:00 PM EST, E!)

Late Show with David Letterman features Actress Katie Holmes; Jon Bon Jovi performs. (11:35 PM EST, CBS)

The Tonight Show with Jay Leno has Actress Katherine Heigl; baker Marjorie Johnson; Johnny Mathis performs. (11:35 PM EST, NBC)

The Late Late Show with Craig Ferguson welcomes Producer Quentin Tarantino. (12:35 AM EST, CBS)

Late Night with Jimmy Fallon has Actor Billy Crystal; professional basketball player Tyson Chandler; Cee Lo Green performs. (12:35 AM EST, NBC)

Last Call with Carson Daly features Actor Ed Burns; “The Impossible”; The Features perform. (1:35 AM EST, NBC)