After a shocking turn of events, Carter must decide how she feels about Jared. Ben must pay the price for his past misdeeds, and Bird deals with a personal crisis in the aftermath of a loved one’s death.
Mary Jane goes on a date with GG and is put on the spot; David's mom has a heart-to-heart with MJ; Kara finds herself in hot water at work.
Away from the police force, Luther receives a visit from Detective Chief Inspector Theo Bloom and Detective Sergeant Emma Lane. They bring him some new evidence that will draw him back to London to find the truth. The team tracks a cannibalistic serial killer.
After Ducky is attacked by a man claiming to have information about his half-brother who died decades ago, the NCIS team searches for the perpetrator, as Ducky recalls the final emotional days he had with his sibling. Also, with the holidays approaching, Bishop and Jake discuss the future of their relationship.
A professional baseball pitcher's daughter goes missing, and the Major Crimes team's investigation leads them to the very limits of the justice system. Rusty is put in an extremely awkward position as Slider approaches the last phase of his trial.
It's a battle of wills between Katie and Lisa. Brian panics when Margaret spots an unwelcomed guest on the shop floor. Meanwhile, a much-in-love Gavin begins to worry that Cheryl isn't what she seems.
A treasure hunt is held to celebrate 50 years of Valco value. Meanwhile, despite his best efforts, Gavin can't avoid confronting his and Cheryl's situation.
A negative online review of the Mike Tyson Mystery Team is unacceptable to Mike Tyson.
In the outer solar system near Saturn, James Holden and the crew of the ice-freighter Canterbury, investigate a distress call from a mysterious derelict ship, the Scopuli. On Ceres Station, Detective Miller begins an off the book investigation of a missing heiress, Julie Mao.
Jane and Rafael are still at odds with each other as they are about to celebrate Mateo's first Christmas. Jane discovers that the scholarship she thought she had been awarded isn't quite that and now needs to find a way to pay for grad school. Rogelio has employed an intern and is having trouble trusting him. Petra is struggling with the latest dilemma her mother has gotten them into. Meanwhile, Michael is trying to find Luisa's mother who he now suspects is not dead and may be involved with Sin Rostro.
Russell Kane comperes an evening of stand-up at London's Hammersmith Apollo, treating the audience to his own brand of humour and introducing routines by comedy circuit stars Roisin Conaty and Nick Helm.
Lisa treats a group of underprivileged kids to the full SUR experience, including a serving of bad behavior from her staff. Jax stands up for Kristen when her break up with James turns ugly. Ariana's mood sours when Sandoval contemplates going to Vegas without her, Schwartz and Sandoval fail to impress with their business plan, and Jax asks Brittany to move in with him.
The minds behind Robot Chicken expose a deep dark family secret, and we learn that nothing will ever be the same when the Robot Chicken Nerd discovers his true father is…Father Christmas! And then a lot of people die.
Team Scorpion must stop a catastrophe on Christmas Eve when heavy rain creates a large crack in a dam, putting an entire town in danger.
Victoria Coren hosts the fiendishly difficult quiz in which two teams of three contestants have to find the connection between seemingly unrelated clues.
The Octonauts evacuate the creatures living around a reef before a large archway collapses, but one stubborn convict fish refuses to move from her burrow.
Nigella shares her foolproof guide to stress-free festive cooking in this hour-long Christmas special. Nigella's slow-cooked black treacle ham replaces turkey as the centrepiece.
When a suspected North Korean spy is poisoned and hit by a truck carrying Christmas trees, the team must search for who is responsible for smuggling spies into the country. Also, Deeks and Kensi try to find a way to include their mothers in their Christmas plans, and Hetty notices that Granger isn’t feeling the holiday cheer.
The remaining nine teams travel to Alberta, Canada to consume a pot of pork and beans as well as riding a mechanical bull. The Cadets delay the Ice Dancers, Stephanie slows Ryan down due to her hatred of beans, and Brody is unable to stay on the mechanical bull. In the end, The Surfer Dudes win the leg and Dwayne and Junior are last to arrive and are eliminated.