SoCal TV highlights, Dec. 10-16: ‘Barbie,’ ‘Reacher,’ a salute to hip-hop and more

And did you really think we were done with holiday rom-coms? Think again!

Alan Ritchson in “Reacher” (Brooke Palmer/Prime Video)

Welcome to an all-new TV or Not TV roundup of new and noteworthy programming on broadcast, cable and streaming this week. I’m Matt Cooper, former listings coordinator for the Los Angeles Times’ Calendar section.

What would you like to watch?

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Sunday — Dec. 10

Ms. Stewart’s feelin’ festive once again in a second season of her how-to-celebrate series “Martha Holidays.” Anytime, Roku TV

Everyday folks doing good in their local communities collect their due at this year’s “CNN Heroes: An All-Star Tribute” hosted by Anderson Cooper and Laura Coates. 5 p.m. CNN

Romance is in the offing when a single mom’s Christmas letter goes viral in the new TV movie “Peppermint & Postcards.” With Ella Cannon. 5 p.m. GAF

See how they’ve decked the halls at 1600 Pennsylvania Ave. in the new special “White House Christmas 2023” hosted by “Property Brothers’” Drew and Jonathan Scott. 6 p.m. HGTV

Will “The Fresh Prince” Smith and Queen Latifah are among the rap-music royalty taking part in the new concert special “A Grammy Salute to 50 Years of Hip-Hop.” 8 p.m. CBS

Pint-sized contestants are tasked with creating seasonal dishes in the two-night special “MasterChef Junior: Home for the Holidays.” Gordon Ramsay hosts. 8 p.m. Fox; also Monday

A single gal gets caught in a “Groundhog Day”-style time loop — only it’s Hanukkah! — in the new TV movie “Round and Round.” With Vic Michaelis. 8 p.m. Hallmark Channel

Someone hunky’s in the kitchen with “Sister, Sister’s” Tia Mowry in the new TV movie “Yes, Chef! Christmas.” “Cake Boss’s” Buddy Valastro also stars. 8 p.m. Lifetime

Your baking-soda volcano would get laughed out of the room as young STEM students compete in the new three-part special “Science Fair: The Series.” 8, 9 and 10 p.m. National Geographic

Call him Santa Claus, call him Kris Kringle, or call him St. Nick, everyone’s favorite jolly old fat man is saluted in a special episode of “The Toys the Built America.” 9 p.m. History Channel