Among today's top TV tips there’s a documentary about Marian Finucane, a new reality dating show called The Cabins, a look at Ireland’s relationship with cricket, while David Tennant and Michael Sheen renew their great double act in Staged . . .

Pick of the Day

Marian, 9.30pm, RTÉ One

This is the story of the late and much-loved broadcaster Marian Finucane’s life and career as recounted by John Clarke, her husband and confidant.

Raw and eloquent, Clarke takes viewers behind her public persona, painting an intimate portrait of their 40-year life together.

The public was first introduced to John Clarke when he said at her funeral that they’d been described as "two 15-year-old adolescents who were addicted to each other and forgot to grow up."

Still dealing with his own loss and despair, Marian is both a love letter from Clarke and an honest recounting of the highs and lows of their lives. That narrative is interwoven with the highlights of her extraordinary career in journalism and broadcasting.

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Don't Miss

The Cabins, 9.00pm, Virgin Media Two

This is just the thing if you fancy some reality fluff to take your mind off the covid apocalypse, as a group of foolhardy singletons are challenged to the most revealing first date of their lives in this brand new series.

Based on the original format Let Love Rule created by reality TV mogul John de Mol, the cast of singles will be throwing out the rule book and deleting their dating apps as they attempt to find true love.

From the moment they meet the couples immediately move in together, as their date begins in their very own exclusive log cabins.

Having made it through the first 24 hours they then have to decide if they would like to spend more time together - or call it a day and walk away.

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Food Unwrapped's Healthy New Year, 8.00pm, Channel 4

Here’s a traditional New Year distraction: trying to improve your diet. Tip: no more Christmas pud, mince pies or boxes of Quality Street for breakfast.

The team offers tips on how to eat more healthily in 2021, with Jimmy Doherty reporting on how alcohol affects diet, and Matt Tebbutt putting together a low-fat cheeseboard.

Amanda Byram (below) digs up an easy way to feel fuller for longer, Kate Quilton investigates the weight loss benefits of chewing gum, and Briony May Williams samples some low calorie cakes.

New or Returning Shows

Cricket's Irish Roots, 7.30pm, RTÉ One

Before the GAA came along in the late 19th Century, and games such as football and rugby had yet to be regulated, cricket was the major sport in Ireland.

It’s still hugely popular in pockets of Ireland - most notably in north county Dublin - and this documentary examines whether the quintessential English sport actually had its origins in Ireland.

Traces, 9.00pm, BBC One

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This far-fetched drama series from satellite channel Alibi gets a UK terrestrial slot on the Beeb. Leave your rationality to one side and you should enjoy it.

Molly Windsor stars as Emma Hedges, who returns to Dundee to start a new job, which brings her mother's unsolved murder into sharp focus as she fights to bring the killer to justice.

But before she makes the journey back to her home town, a fatal fire in a nightclub proves ominous.

Staged, 9.45pm, BBC One

The return of the comedy, starring David Tennant and Michael Sheen as caricatures of themselves.

While appearing on a chat show discussing a year in lockdown, Michael and David are pained to discover someone they respect is not a fan of their work.

David's intention to go to work and Michael's plans to visit a friend abroad are both scuppered by last-minute travel rule changes.

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Rick Stein’s Cornwall, 6.30pm, BBC Two

The chef reveals the Cornwall that he knows and loves, championing the food, history, music, art and culture of the county,.

He begins at his family home in Trevose Head on the north coast, where as a child he would go fishing with his father.

Feast to Save the Planet, 9.00pm, BBC Two

In this Horizon special, MasterChef judge Gregg Wallace (below) and mathematician Hannah Fry take over a restaurant and invite five celebrities to enjoy a dinner party with a difference.

The difference being that they will all be be scored on the carbon footprint of every dish they choose.

Diners Sara Pascoe, Amol Rajan, Nikki Fox, Desiree Burch and Matthew Fort choose from a menu of tantalising treats, each of which tells its own environmental story.

Talk about 'eating your greens’, eh?

24 Hours in Police Custody: Black Widow, 9.00pm, Channel 4

First of a two-part special taking viewers behind the scenes of a Cambridgeshire police investigation into a woman who is plotting to have her ex-husband killed.

A man handed police a secretly recorded conversation that appeared to show his girlfriend offering to pay someone to commit murder.

DS Mike Barnshaw has to work out whether the recording is evidence that she really wanted him dead or is pillow talk with a man she has picked up on a dating site.

The Man Who Fell from the Sky, 10.00pm, Channel 4

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In 2015, two men stowed away in the landing gear of a British Airways flight from Johannesburg to Heathrow.

One of them fell to his death in Richmond - making worldwide headlines - but miraculously his companion survived an 11-hour journey with temperatures reaching -60 C.

In this documentary, Richard Bentley sets out to uncover who the two were, how they got on the plane, and why they chose such a dangerous and desperate act.

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