Finish-off the festive season with some great TV, including the return of Ireland's Fittest Familes and another trip to the Bake Off tent. 

Ireland's Fittest Families, RTÉ One, 6.30pm
Want to get fitter in 2021 but need some inspiration? Then make sure you tune in to the brand new series of Ireland's Fittest Families kicking off on RTÉ One this evening. Once again the toughest families in the country take on the most gruelling and physical challenges imaginable. 

In the first round of the competition the Thompson family from Wicklow, battle it out against the Doyles from Longford, the O'Rourkes from Galway and the Mahoneys from Wexford. 

Only two families will make it through to the quarter-finals in The Lake and for the other two, their time in the competition has ended at the first hurdle.

Find out what family holidays were like for Damien Dempsey when he was growing up

The Way We Were, RTÉ One, 9.30pm
This is the first episode of a brand-new docuseries which is billed as a "timely assessment of the Irish National Identity as seen through the everyday lives of ordinary people since the official formation of The State in 1937".

Featuring analysis from a host of well-known Irish faces including Damien Dempsey, Joe Duffy, Katherine Lynch, Mike Denver, Mike Murphy, Dr Ciara Kelly, Jerry Fish and Michael Harding, each episode focuses on one vital aspect of our lives that has changed radically over the decades.

First up - the Irish holiday resort. 

A snoozefest - in the best possible way!

Max Richter's Sleep, BBC Four, 10pm
Acclaimed composer and musician Max Richter has staged many spectacular overnight performances of his meditative eight and a half-hour work, where audiences are provided with camp beds and invited to fall asleep or stay awake, offering - the composer's words - a "personal lullaby for a frenetic world".

This 99-minute film follows Richter and his creative partner, artist and Bafta-winning filmmaker Yulia Mahr, as they prepare for an open-air performance in Los Angeles. Johns weaves in Mahr’s personal archive - a visual stream of consciousness shot over 15 years - and performance footage from Berlin, Sydney, and Paris to create a portrait of a shared artistic process, along with contributions that illuminate both the science and story behind the work.

Could you beat the Chaser?

Beat The Chasers, Virgin Media One and ITV, 9.00pm
If you are a fan of The Chase, then you are going to love Beat The Chasers. Bradley Walsh hosts he Beast, The Governess, The Sinnerman, The Vixen and The Dark Destroyer join forces again to create the ultimate quiz team. 

In the Cash Builder, contestants face five multiple-choice questions, with the chance to bank up to £5,000. But get the first question wrong - they're out! 

Next, contestants are given the option of playing between two and five Chasers for increasing amounts of money, but with a decreasing time advantage against them. As the money goes up, so does the number of Chasers they must face. But those brave enough to take on five Chasers could walk away with a huge cash prize. 

Who will be crowned festive star baker?

The Great New Year Bake Off, Channel 4, 7:40pm
Noel Fielding, Matt Lucas, Prue Leith and Paul Hollywood reunite after Christmas and get the New Year celebrations started in the tent.

Joining them are Helena and Henry from 2019, Nancy from 2014, and 2018 winner Rahul, all hoping to impress the judges with their skills and creativity and take home the coveted Festive Star Baker title.

Together, they see in the New Year with a cosy sing-song round the piano - a lovely way to finish off this festive season. 

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