"It's a Wonderful Life" 8 p.m. NBC — George Bailey to Mr. Potter: "Well in my book, my father died a much richer man than you'll ever be!"
"A Christmas Story" 8 p.m. TBS (24-hour marathon, aired 12 times in a row) — Ralphie: "In the heat of battle my father wove a tapestry of obscenity that, as far as we know, is still hanging in space over Lake Michigan." (TNT starts its marathon at 9 p.m.)
"Elf" 8:30 p.m. AMC— Buddy: "Santa, oh my God! I know him!"
"The Santa Clause" 8:55 p.m. Freeform— Scott Calvin: "Charlie, stay away from those things. They're reindeer, you don't know where they've been. They all look like they've got key lime disease."
"Los Angeles Lakers at Golden State Warriors" 8 p.m. ABC — A Christmas night showdown between LeBron James and Stephen Curry.
"Dreaming of a Jewish Christmas" 8 p.m. GPB — A documentary tells the story of the Jewish immigrants who have written some of the most popular Christmas music.
"How the Grinch Stole Christmas" 8 p.m. NBC — "Maybe Christmas, the Grinch thought, doesn't come from a store!"
"Bad Santa" 8 p.m. Comedy — If you need a lot of cursing with your Christmas dinner...
"Love Actually" 9 p.m. TNT — Andrew Lincoln as Mark will forever be parodied for his cue cards. Stalker or hopeless romantic? You be the judge...
"The 41st Annual Kennedy Center Honors" 8 p.m. CBS — Cher, Philip Glass, Reba McEntire, Wayne Shorter and "Hamilton" co-creators Lin-Manuel Miranda, Thomas Kail, Andy Blankenbuehler and Alex Lacamoire are honored.
"Catfish: The TV Show" 9 p.m. MTV — L.A. fashion designer Truth is hot for his online crush Ray'Quan despite the fact he's in a relationship IRL.
"Property Brothers" 9 p.m. HGTV — A suburban family is eager to cut down their commute and move into a home in central Nashville. Drew learns that when momma's happy, everyone's happy, and is surprised when the search leads to familiar grounds.
"Vikings" 9 p.m. History — Ivar the Boneless insists his leadership over the Great Heathen Army. Meanwhile, Lagertha reigns Kattegat.
"I Feel Bad" 8:30 p.m. NBC (first season finale) — When work threatens to get in the way of Emet's vacation, she finds a creative solution to spend some time away with her family. She asks the guys at GamePunch to housesit while she's away.
"Botched" 8 p.m. E! — An Irish model travels to the United States for larger breasts; the doctors help a woman who almost died from a nightmarish tummy tuck; a young father with a broken nose hopes for a nose just like his daughter's.
"Top Chef" 9 p.m. Bravo — It's probably the earliest they've ever done restaurant wars!
"Beat Bobby Flay" 10 p.m. Food — Lawrence Letrero and Jack Moore match wit with each other for a chance at Bobby Flay.
"Midnight, Texas" 8 p.m. NBC (second season finale) — With Midnight now under the rule of Dark Witches, the surviving Midnighters must band together in one last, desperate attempt to save their town
"Popstar's Best of 2018" 9 p.m. the CW — Elizabeth Stanton and James Maslow count down the greatest and most memorable moments of 2018.
"Tanked" 9 p.m. Animal Planet — Tracy Morgan's giant shark tank revealed.
"Z Nation" 9 p.m. Syfy (fifth season finale) — The gang breaks into Altura in an attempt to bring Pandora and Estes to justice, when Cooper reappears, shocking Warren.
"Van Helsing" 10 p.m. Syfy (third season finale) — Vanessa and Sam face off to find the Last Elder, with Scarlett, Axel, and Mohamad caught in the crossfire.
"Ready to Love" 8 p.m. Saturday OWN — The reunion show which will reveal who coupled up and who didn't.
"The Real Housewives of Atlanta" 8 p.m. Sunday Bravo —Cynthia plans an intimate college send-off for Noelle that ends in a major meltdown.
"Outlander" 8 p.m. Sunday Starz — Jamie and Claire keep secrets from one another as they try to help Brianna process her recent trauma; the secrets they keep cause a bigger familial rift once they are revealed.
"The Orville" 8 p.m. Sunday Fox (second season debut) — The Orville heads towards Moclus for Bortus' special once-a-year ceremony, while Ed discovers Kelly has moved on and has started dating.
"Ray Donovan" 9 p.m. Sunday Showtime — The Staten Island cops take a drastic measure that sends Ray on a warpath.
"Dirty John" 10 p.m. Sunday Bravo — Debra makes a decision about John. In Ohio, John captures the attention of Detective Dennis Luken.