It's the most wonderful time of the year and the firefighters have their hands full responding to a number of crises throughout Seattle. Putting aside their differences and personal drama, they come together to try and achieve a Christmas miracle.

The designers fall for an age-old prank when they're invited out for cocktails by Christian Siriano only to discover that it's actually challenge-time, not party-time. It's time for the unconventional challenge where the designers will be asked to create an elegant cocktail dress from an actual cocktail bar. Plus, one of fashion's most exciting designers, Christopher John Rogers, is the judge on the guest list for this VIP party.

Burnham and Book race to evacuate a group of stranded colonists in the anomaly's path as one of the Federation's brightest scientists comes aboard the U.S.S. Discovery to do high-stakes research with Saru and Stamets.

The doctors of Grey Sloan Memorial celebrate the holidays; Hamilton and Meredith prepare for a milestone on their project; Link wants to spend the holiday with Amelia and Scout as a family; Schmitt is faced with a difficult decision during surgery.

Hope finds herself involved in a game of cat and mouse as Lizzie sets out to make things right. Josie has a heart-to-heart with Finch. Alaric, Landon, and Ted get a surprising result from their quest. Meanwhile, MG, Jed and Cleo handle matters back at The Salvatore School.

Jenny and Cassie trade stories on recent run-ins with Tonya, leading Cassie to confront her about working for Ren. Having left the ranch-and Wolf-behind him, Ronald revels in his newfound freedom, but old habits threaten to derail his plans. Elsewhere, the kids receive advice from an unlikely source, Travis is finally honest with Jenny and, later, Cassie receives devastating news

After renowned actor Arthur Leander tragically collapses onstage, Jeevan Chaudhary and young Kirsten Raymonde have a chance meeting - and soon face an important decision that could save their lives.

Twenty years later, Kirsten and her Shakespearean troupe, the Traveling Symphony, meet a mysterious man on their way to perform at St. Deborah-by-the-Water.

Trevor highlights China's investments in Africa, Michael Kosta and Desi Lydic star in a holiday rom-com, and French finance minister Bruno Le Maire discusses an inclusive future for France.

Jimmy addresses Melania Trump releasing her first NFT, then catches up with Scarlett Johansson and Bowen Yang before enjoying a performance from musical guest Toni Cornell.

Stephen welcomes news anchor Anderson Cooper.

With a new apartment and a collection of weapons, Retsuko moves forward after her attack, but her relationship with Haida remains at a standstill.

The Warners take on a Thundercats look.

Joan voices her worries when Ruth reveals she does not know River's whereabouts. Meanwhile, Melinda endures a harsh rebuke for following orders.

Rose is forced to confront his choices as Baxter tries to help him choose a path of redemption. Baxter and Edmunds are faced with a difficult decision as Rose's name becomes that last one left on the kill list. Edmunds' dark past is revealed.

When an aboriginal man is kidnapped by vampires and a traditional vampire hunter goes missing, renegade fighters Tyson and Shanika realise there's some serious trouble going on in their town and they're the only ones that can help their community.

While fighting for her only chance at survival, Miranda Carroll reflects on the cost of her relationships with Arthur and Dr. Eleven.

After serving eleven years in prison for the murder of his former nemesis, MacGruber is recruited by General Fasoose for one last suicide mission.

Carrie learns of a surprising development involving Big's ex. Charlotte worries about how to handle a daughter's revelation. Miranda ponders the state of her marriage.

James welcomes actress Kristin Davis and actress Chlöe Grace Moretz, and BTS performs a crosswalk concert.

A beggar-girl finds a mutilated corpse in Vienna's slum quarter. The secret services warn Oskar that the investigation is not the concern of the Leopoldstadt police. However, when Oskar receives anonymous messages relating to the murder, he can't resist delving further.

Martin Clunes is guest host with panellists journalist Steph McGovern and writer Armando Iannucci joining team captains Paul Merton and Ian Hislop as they delve into the news.

Genny is ready to go and pressures Ruggieri to find out where his son has been sent. Meanwhile, Ciro and Nunzia find new and unexpected allies willing to help them.

Genny has no choice: he must do what Ciro is ordering him to do. And so they set off on a final journey. Locked alone in the cockpit, they will be forced to face their demons.

Among the guests joining Graham tonight: Hollywood star Stanley Tucci, talking about his book My Life Through Food; TV chef and campaigner Jamie Oliver, promoting Together: Memorable Meals Made Easy; and top comic Romesh Ranganathan, new host of returning quiz show The Weakest Link. With music from Lil Nas X, who performs his current single That's What I Want.