“Dexter” (Showtime, 9 p.m.) worries about another serial killer in town. 

The long-standing soul diva hosts her own variety special, “Patti LaBelle’s Holiday Party” (TVOne, 7 p.m.). 

Sunday Night Football has New Orleans at Tampa Bay (NBC, 8:20 p.m.). Earlier games include Dallas at New York (Fox, 1 p.m.), Tennessee at Pittsburgh (CBS, 1 p.m.), Cincinnati at Denver (CBS, 4:05 p.m.) and Green Bay at Baltimore (Fox, 4:25 p.m.). 

The annual showing of “The Sound of Music” (ABC, 7 p.m.) stretches all the way until 11.

Gene breaks his favorite rare Christmas record on “Bob’s Burgers” (Fox, 9 p.m.).

“Small Town Christmas” (UPtv, 9 p.m.) looks at the traditions in Natchitoches, La.

The history of the most popular board games is recounted on the season finale of “The Toys That Built America” (History, 9 p.m.). 

On “The Great North” (Fox, 8:30 p.m.), Beef looks for a missing Bigfoot costume.

Fat Tony becomes godfather to Maggie on “The Simpsons” (Fox, 8 p.m.). 

“Home Town: Ben’s Workshop” (Discovery+, streaming) returns for a second season.

A second season has been ordered for “Yellowjackets” (Showtime, 10 p.m.).

“A Date with Danger” (Lifetime Movie Network, 8 p.m.) concerns a single mom who goes missing after she criticizes a friend’s suspicious boyfriend.

Lauren tries to stay on her spiritual path on “The Real Housewives of Atlanta” (Bravo, 8 p.m.).

“The Real Housewives of Salt Lake City” (Bravo, 9 p.m.) makes a mess of Jennie’s Pho luncheon. 

But don’t mix up either of those shows with “The Real Murders of Orange County” (Oxygen, 7 p.m.). 

A report on marijuana and autism makes for a “CNN Special Report” (CNN, 8 p.m.).

“Three Identical Strangers” (CNN, 9 p.m.), the 2019 documentary, gets a replay. 

It’s the grand finale on “Harry Potter: Hogwarts Tournament of Houses” (TBS, 8 p.m.).

“Toy Story 3” (FX, 8 p.m.) is followed by “Toy Story 4” (FX, 10 p.m.).

Surgery for Kody’s daughter has a tough recovery on “Sister Wives” (TLC, 10 p.m.).

On “Hightown” (Starz, 9 p.m.), Alan sets a trap that covers the entire Cape.

Tariq races against the clock for Yasmine on “Power Book II: Ghost” (Starz, 8 p.m.). 

A weeklong Christmas marathon on Turner Classic Movies begins tonight with “Going My Way” (8 p.m.), “The Holly and the Ivy” (10:15 p.m.), “Christmas Past” (midnight), “Mon Oncle Antoine” (2:15 a.m.), “Fanny and Alexander” (4:15 a.m.).

Basketball includes Denver at Brooklyn (NBA, 7 p.m.).

The WNBA has its draft lottery (ESPN, 3 p.m.).

Men’s college hoops includes Texas vs. Stanford (ABC, 3 p.m.).

Women’s games include Marquette at Seton Hall (Fox Sports 1, noon), Baylor vs. Michigan (ESPN, 1 p.m.), Louisville vs. Connecticut (ESPN, 3:30 p.m.) and Texas vs. Arizona (ESPN, 5:30 p.m.).

Final rounds are played in golf’s PNC Championship (Golf, noon; NBC, 1 p.m.). 

Sunday Talk

ABC: Dr. Anthony Fauci, Rep. Adam Kinzinger. CBS: NIH Director Francis Collins, former FDA commissioner Scott Gottlieb, DEA Administrator Anne Milgram, former Afghan national security adviser Hamdullah Mohib. NBC: Fauci, Colorado Gov. Jared Polis. CNN: Fauci, Sen. Bernie Sanders, Rep. Adam Kinzinger, New Hampshire Gov. Chris Sununu, Rep. Ayanna Pressley. Fox News: New Jersey Gov. Phil Murphy, Sen. Joe Manchin, Maryland Gov. Larry Hogan, Collins, Wreaths Across America founder Morrill Worcester.