DON’T MISS: “Dirty John” – Connie Britton makes a welcome return to television in this harrowing true-crime thriller based on the popular 2017 podcast from Los Angeles Times reporter Christopher Goffard. The series follows a whirlwind romance between Debra Newell (Britton), a Southern California interior designer, and John Meehan (Eric Bana), a charismatic con man, that spiraled into a frightening web of deception, denial and mental terror. The cast also includes Jean Smart. (10 p.m. Sunday, Bravo).
SUNDAY: As we continue to process the departure of Rick Grimes (Andrew Lincoln), “The Walking Dead” airs its midseason finale. And, of course, the story line delivers a “surprising threat” that could doom some of our survivors. (9 p.m., AMC).
MONDAY: Insanity reigns on another season of “The Great Christmas Light Fight.” Among tonight’s contestants is a Florida family that has 72 themed Christmas trees filling the inside of their home from floor to ceiling. (8 p.m., ABC).
MONDAY: “The Truth About Killer Robots” is a revelatory – and eerie – documentary that explores robot-caused deaths, from a factory in Germany to a bomb-carrying police droid in Dallas. Also: a look at more subtle, but pervasive ways that robots affect humanity. (10 p.m., HBO).
TUESDAY: Laugh and call him names all you want, but there’s no denying that “Rudolph the Red-Nosed Reindeer” continues to be a marquee attraction. The beloved 1964 animated special gets another holly-jolly airing tonight. (8 p.m., CBS).
WEDNESDAY: The annual holiday special “Christmas in Rockefeller Center” returns as they light up that big tree in the Big Apple. The performance list includes Diana Ross, Tony Bennett, Diana Krall, Martina McBride, Pentatonix, Kellie Pickler and more. (8 p.m., NBC).
WEDNESDAY: “A Legendary Christmas with John and Chrissy” is a new special that has John Legend and his wife, Chrissy Teigen, celebrating the season with family and celebrity friends. Legend also performs songs from his new holiday album. (10 p.m., NBC).
THURSDAY: Break out your mouse ears for “The Wonderful World of Disney: Magical Holiday Celebration.” Gwen Stefani, Meghan Trainor, Brett Eldredge, Andrea and Matteo Bocelli and others perform in a special filmed at the Disney theme parks. (9 p.m., ABC).
FRIDAY: On a new episode of “Blue Bloods,” a video surfaces of cops being harassed by a group of people at a housing complex. It prompts Frank to order a raid to round up anyone with an outstanding warrant – against Garrett’s (Gregory Jbara) advice. (10 p.m., CBS).
FRIDAY: Inspired by a children’s book by Frank McCourt, “Angela’s Christmas” is an animated tale that follows a little Irish girl who causes a bit of a commotion when she attends church and hatches a plan to help baby Jesus stay warm. (Netflix).
SATURDAY: Claire Foy is keeping busy this year, starring in the big-screen films “First Man” and “The Girl in the Spider’s Web.” Now she’s set to make her hosting debut on “Saturday Night Live.” The show’s musical guest is Anderson .Paak. (11:30 p.m., NBC).
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