When a man is shot by the Secret Service outside the vice president's official residence, NCIS is aided in the case by a new member of the team: an AI chatbot being beta-tested by the Department of Justice.

Sophie Flay takes Bobby Flay on a high-stakes global holiday tour, celebrating Christmas Eve traditions from around the world. Chefs Gabriele Bertaccini, Claudette Zepeda and Brooke Williamson are bringing the heat to claim victory with a holiday feast Bobby will never forget!

After years of suffering in silence, Francisca Quintero finally leaves her violent husband. But for him, there is no such thing as a divorce.

Tonight, new calls for investigation into Trump's lethal strikes. Then, the president visits a resort casino to Trump-splain your economic pain. Plus, the high-stakes election fight in the Supreme Court. And Jasmine Crockett joins me live on her bid to become the next Democratic Senator in Texas.

Bronson is ready to propose to long-time love, Alisha. But her behavior has him thinking that she might be two-stepping with someone else. Can Tami help this cowboy find the truth, and will it lead to happy trails for all?

A driver in Seattle follows a woman after an incident on the road, resulting in an emotional confrontation. A sobriety checkpoint in New Mexico takes an unexpected and terrifying turn.

When Lala's favorite CI is shot, the team joins forces with Oceanside PD to determine who was behind the attack. Also, Franks visits his brother Mason at the compound, and Gibbs' relationship with Diane is tested when she gets a job in Los Angeles.

Following the three rounds and three-stage obstacle course, consisting of multiple strategy and decision points designed to further challenge and wear out the stamina of the competitors.

Baylen grows curious about a device for her tics but would need to leave the country to try it; a trip to the library is anything but uneventful for Baylen; Colin takes the first step in his new career and learns just how hard it can be to succeed.

Donald and Kyle realize they've underestimated Eli, Constance puts a suspicious Max in his place, Alonzo learns of Allan's job promotion, and Victoria refuses to go down without a fight.

Drivers in Harlem hurl insults during an intense standoff over a parking spot. In England, bystanders intervene when two boys appear to take a motorbike that doesn't belong to them.

The Johnstons put together a live nativity set for their annual Christmas card. Anna does her own Christmas photos with her dogs and struggles with being distant from her family during the holidays. Trent and Amber come up with a plan to meet Anna.

Judge Ms. Pat settles three cases: cousins clashing over unpaid wedding catering services, a BFF who glued her friend's eye shut and left her with an ER bill, and a podcast partner claiming she built the brand but got ditched.

Democrats demand the Pentagon release the boat strike video. Also, Donald Trump proposes a health care plan that the ACA already delivers. Plus, a federal judge rules the grand jury documents in Ghislaine Maxwell's New York case be unsealed. And a primary school teacher in Malawi shares his firsthand experience of the K.I.N.D. Fund helping students. Sen. Mark Kelly, Rep. Madeleine Dean, and Rep. Ro Khanna join Lawrence O'Donnell.

Kimora is thrilled that Aoki has come home, but her youngest daughter's return causes friction with her siblings.

In San Antonio, Texas, a couple clashes with a grumpy gate agent after they are denied boarding. In Interlaken, Switzerland, a hang glider's first flight turns into a nightmare when he realizes his harness isn't attached.

A forgotten manuscript in a dusty trunk. A priceless painting discovered in plain sight. A royal tomb hidden for millennia beneath the sands. These famous finds prove history's greatest treasures often resurface when least expected.

Kimora tasks Ming and Aoki with planning the next Baby Phat photoshoot, forcing the sisters to set aside their differences and work together.

At a coffee shop in New York City, a conflict over a customer's conduct escalates into a chaotic fight with an employee. Late at night in Warner Robins, Georgia, a massive group brawl erupts after one patron allegedly takes issue with his fast-food meal.

Ronny Chieng covers the latest on the Trump administration's petty changes to free-entry days at national parks, the president's promise to bail out farmers after f**king up the economy, Melania's attempt to spread some yuletide cheer, and Sean Duffy's Department of Transportation press conference that turned into a d**k-measuring contest against RFK Jr. On another edition of Who Won It Best, Desi Lydic and Troy Iwata recap the FIFA World Cup Draw and Peace Prize Ceremony, the biggest award show you've never heard of, where the balls were mingled, the Village People performed the "YMCA," and Trump received a trophy, medal, and certificate before jetting over to the Kennedy Center Honors to make KISS's big night all about himself. Journalist, internet activist, and author Cory Doctorow talks to Ronny Chieng about the concept behind his latest book, "Enshittification," which breaks down how tech giants like Facebook, Amazon, and Google have made the internet worse for everybody by locking in users only to turn on them. He also stresses how the blame for the "enshittification" of the internet shouldn't be placed on consumers, but on policy makers, and points to anti-trust enforcement, tech worker unions, and interoperability as the keys to remaking an internet that benefits users instead of billionaires.

Laura Dern.

Andrew Ross Sorkin.

Holiday "First Drafts" with Evie McGee Colbert.

1. David Letterman ("My Next Guest Needs No Introduction with David Letterman"). 

2. Regina Hall ("One Battle After Another" and "The SpongeBob Movie: The Search for SquarePants").

Guests include Victoria Beckham, Lily Collins, Aryna Sabalenka and musical guest Jutes. 

Did the police do everything right? The fellow judges begin to doubt their own and others' judgments.

Did Stig kill Ariana? The final verdict is out.

Guests include Amy Sedaris, Brandon Sklenar (The Housemaid), and Kareem Rahma (Subway Takes).

The Mitchells struggle on the day of Teddy's trial, Nigel finds himself in a tricky situation, and Lauren rallies the family for Oscar's 18th-birthday celebrations.