Police are looking for tips about a series of fires on Nøtterøy in Vestfold. Among the victims are schoolchildren and scouts.

Henk thinks that Ludo wants to auction off one of Laura's paintings for his own gain and threatens to stop him himself. Nola, Manu, and Max rebel when Nina and Bing refuse to celebrate Christmas with Ludo and Janine. Meanwhile, Nina and Bing try out a "talking stick" during a therapy weekend. Elly doesn't know how to tell her granddaughter Emma that her parents are getting divorced.

Anita receives a call that leaves her shaken; a meeting between Hayley and a new client at the firm hints at a shared past; Bill receives an unexpected proposal about his future from Joey; Vernon seeks out Andre's help.

Valentin offers reassurance; Brennan and Josslyn put their heads together; Dante opens up to Nathan; Sonny and Ric meet with Justine; Emma seeks advice.

At a costume party at the police station, colleague Freddie Fröse is murdered. Investigators find a golden apple in his hand. The case takes a fairy-tale turn when four women in Snow White costumes become the prime suspects. One thing is clear: the perpetrator must still be in the building, and the only one who wasn't there at the time of the crime must take over the case—Mick.

At the "Pink Power" women's breakfast, successful influencer and feminist Katinka Bruckner is murdered. And although the murder took place on stage, no one saw anything. The investigation reveals that many people had something against Katinka: offended corporations, frustrated executives, and even her own husband.

Clive Myrie asks the questions as four more contenders take on the black chair under the spotlight and the ticking clock in an attempt to become the next Mastermind champion. The specialist subjects are British butterflies, Julia Quinn's Bridgerton books, the rock band Jefferson Airplane and the television series Twin Peaks.

Officers are searching for a car containing a passenger suspected of assault and stalking, but the driver fails to stop and the pursuit heads towards the M1. In Northampton, a man with a history of violence wanted for multiple assaults earlier in the day is refusing to come quietly, leaving the interceptors no option but to take him down with 50,000 volts. Over in Silverstone, Callum and Chris are after a driver treating the holiday Inn car park as his very own racetrack, while a pursuit across multiple counties is finally brought to an end by Dan and the team, with a little help from the eye in the sky.

Victoria Coren Mitchell hosts the quiz where knowledge only gets you so far – the vital extra ingredients are logic and lateral thinking.

Another place in the semi-finals is decided, and the questions are as demanding as ever. For example: Ross, Stoke, Henley... what might come fourth in the sequence?

 Bacteria are one of Earth's oldest life forms - dating back over 3 billion years. They're masters of survival and good bacteria help nature function, but some bacteria cause infection and can be deadly

Two more teams of students compete for a place in the quarter-finals in the penultimate match of round two. Amol Rajan asks the questions.

It's the final match in the second round. Who will take the last spot in the quarter-finals? Amol Rajan asks the questions.

Innocent victims are being scammed out of thousands of kroner. We are hunting down the man behind the scam.

GK Barry, Jamali Maddix and Jimmy pass judgement on a flatmate who uses radioactive material to get her own way, and a woman obsessed with STI checks.

While a family is divided over the lucrative sale of some property, a daughter given up for adoption reappears.

Finals week kicks off for the remaining five celebrities, and things take a sweet turn, as pastry skills and spectacular creations come to the fore.

Henry Cole and Fuzz Townshend visit Richard's eclectic shed in Hook, packed with bikes, cars and curiosities, and choose a classic Harley-Davidson Sportster to save.

Henry Cole and Fuzz Townshend visit Dave's Derby shed and pick a classic Triumph Daytona, a British icon with racing heritage, for their next restoration challenge.

Presenter Carla O'Brien with reconstructions, CCTV footage and live studio appeals for information from the public, to help with Garda investigations.

A manhunt is underway after a shooting at Brown University left two students dead and multiple injured. An antisemitic mass shooting in Sydney Australia over the weekend also left 16 dead, including one of the two suspected gunmen. Plus, fractures showing among Donald Trump's support with MAGA Republicans. And, remembering Rob and Michele Reiner, who were found dead Sunday. MS NOW's Ari Melber reports and is joined by Rob D'Amico, Mark Leibovich, and Margaret Carlson.

Live from Acrisure Stadium, Pittsburgh, PA. With host Scott Van Pelt and analysts Marcus Spears, Ryan Clark, Jason Kelce and NFL Insider Adam Schefter. The crew reviews Sunday's games and looks ahead to the MNF matchup while updating fans on the latest league news.  

In Providence, Rhode Island, authorities are releasing new video and asking the public for help identifying the person of interest in connection with the killing of two students. Nine other people were injured. NBC News' Erin McLaughlin reports from the scene. New videos emerged of the horror on Australia's Bondi beach, as two gunmen unleashed what police described as a terror attack on a Hanukkah celebration. Sara James reports. A jury in Massachusetts convicted Brian Walshe for the murder of his wife, Ana. During the closely watched trial, prosecutors said Walshe was motivated by money and jealousy. The defense said Walshe was not responsible for Ana's death. NBC News' Stephanie Gosk reports. The Justice Department says they've thwarted a terror plot in California and arrested people who planned to set off bombs in LA on New Year's Eve. Officials did not provide a motive but said they're part of a radical faction of a far-left group. NBC News' Liz Kreutz has the story. After Rob Reiner and his wife Michele were found dead inside their Los Angeles home, police arrested their son Nick on suspicion of murder. There has been a massive outpouring of support for the legendary actor and director from across Hollywood and beyond. NBC News' Morgan Chesky reports. This year's Heisman Trophy winner is Indiana University quarterback Fernando Mendoza. His strong work on the field won him the trophy, but it's what he said during his acceptance speech that's winning him fans off the field. NBC Nightly News anchor Tom Llamas reports.

As the holidays approach, the team finds three slain sex workers inside a brownstone - they uncover the murderer has a larger plan in place that they must rush to stop. Meanwhile, Jubal receives a concerning call from his son Tyler.

Actress Torrey Devitto goes head-to-head with actor Craig Robinson; a legal consultant competes with a bartender.

With the threat of a nurse walkout, Alex is caught between her colleagues and Joyce. Ron and Bruce go above and beyond to help an unexpected patient. 

Live from Acrisure Stadium in Pittsburgh, Pennsylvania.

Chaos erupts in the city when an attack disrupts cell, internet and emergency services. As the team races to uncover the culprits, they learn the group responsible is a radical accelerationist movement fixated on resetting society.

The top six artists perform a contemporary and classic song in front of the coaches to compete for the title of "The Voice"; viewers have the chance to vote for their favorite artist overnight.

A hair stylist competes with an occupational therapist; a hair stylist competes with a theater artist.

For thousands of years, secret societies are said to have guarded hidden knowledge of otherworldly origin.