It's semi-final night on Strictly Come Dancing, Gary Barlow’s in London’s Natural History Museum, Deirdre O’Kane talks to Jason Byrne, The Vow comes to an end, and Pointless Celebrities calls on comedians . . .

Pick of the Day

Strictly Come Dancing, 7.00pm, BBC One

Tess Daly and Claudia Winkleman host the semi-final. The Glitterball Trophy is within touching distance, and the stakes have never been higher for this year's contestants.

Bill, HRVY, Jamie, Maisie and Ranvir take to the dancefloor for the semi-final, judged by Shirley Ballas, Motsi Mabuse and Craig Revel Horwood

Tonight the five remaining couples will have to perform not one but two routines in a bid to impress the judges and viewers at home.

It’s double the dancing, double the excitement and double the pressure!

Here's Bill and Oti doing the tango to Phantom of the Opera:

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Don't Miss

Deirdre O'Kane Talks Funny, 10.00pm, RTÉ One

This week’s guest is Jason Byrne, who chats to Deirdre about his life in comedy, his dad and the pivotal part he played in all of that, his wonky eye and getting hit by a car as a child.

He also tells Deirdre about getting mental fatigue and hitting a wall when his marriage ended and he was overworked.

And then there's this . . .

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New or Returning Shows

Gary Barlow’s Night at the Museum, 8.30pm, Virgin Media One

Former Take That star Gary Barlow hosts an hour of musical fun from the Natural History Museum in London.

He’ll be performing some of his biggest hits, songs from his new album and some choice cover versions.

He will be joined by Michael Buble, Jack Whitehall, Beverley Knight, Alfie Boe, Rick Astley, Jason Donovan, Alesha Dixon, Ronan Keating and Sebastian Yatra.

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Pointless Celebrities, 5.30pm, BBC One

A celebrity comedians edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of.

Presented by Alexander Armstrong and co-host Richard Osman, with contestants Catherine Bohart, Rachel Parris, Ivo Graham, Elis James, Milton Jones, Stephen K Amos, David O'Doherty and Rose Matafeo.

New to Stream

Black Christmas, Sky Cinema & NOW TV

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Coming to spread some Christmas cheer to Sky Cinema, this Blumhouse remake of the cult 1974 slasher movie of the same title – this time with a more feminist edge.

Hawthorne College is quieting down for the holidays. But as Riley Stone (Imogen Poots) and her Mu Kappa Epsilon sisters prepare to deck the halls with a series of seasonal parties, a black-masked stalker begins killing sorority women one by one.

As the body count rises, Riley and her squad start to question whether they can trust any man, including Marty's beta-male boyfriend.

Ending Today

The Vow, 9.00pm, Sky Documentaries & NOW TV

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As the group gathers evidence for their FBI testimonies, they express their beliefs about how the curriculums of men’s and women’s groups within NXIVM reshaped their ideas on gender roles in society and may have laid the foundation for DOS.

Then in the series finale, Keith leaves the US and is spotted in Mexico. Catherine has a difficult reunion with India. Mark and Bonnie finally return to Clifton Park to confront their past, and later, the team faces a shocking development in the case.

The Valhalla Murders, 9.00pm, BBC Two

The Icelandic drama concludes with another double bill.

Kata and Hakon continue their investigation in Borgarnes, where the chief of police at the time of Tomas’s disappearance admits mistakes were made.

Back in Reykjavik, Arnar discovers he has missed two telephone calls from Fannar Thorsson.

Family Flick

The BFG, 2.45pm, BBC One

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This is the exciting tale of a young girl named Sophie and the mysterious giant the BFG, who introduces her to the wonders and perils of Giant Country.

Two of the world's greatest storytellers - Roald Dahl and Steven Spielberg - unite to bring Dahl's beloved classic to life.

Movies

Float Like a Butterfly, 9.00pm, RTÉ2

Hazel Doupe stars in this dram as a 1970s’ Dublin teenager called Frances, who wants to be a boxer, but has to prove she can triumph in such a male-dominated realm.

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The Untouchables, 10.40pm, BBC Two

Kevin Costner, Sean Connery and Robert De Niro star in this excellent gangster movie.

Chicago, 1920s: During the Prohibition era, federal agent Eliot Ness assembles a small, hand-picked team to bring down notorious gangster Al Capone.

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