Tonight's TV picks include The Late Late Show, Intergalactic, Alan Partridge, an Emmylou Harris night on BBC Four – and the finale of Kaley Cuoco's The Flight Attendant . . .

Pick of the Day

The Late Late Show, 9.35pm, RTÉ One

Tonight's show sees a host of stars from the worlds of movies, music and sport coming together to lend their support to Pieta House's annual Darkness into Light fundraising campaign.

Ryan Tubridy speak to Hollywood star Sharon Stone about her strong ties with Ireland, and surviving a terrifying brain bleed.

Irish jockey Rachael Blackmore (above) will join Ryan to speak about riding to victory in one of the toughest races in sport, while country music star Sandy Kelly will be joined by her niece, Sandie Ellis, as they speak publicly together for the first time about the tragic death of Sandy's sister Barbara.

Westmeath GAA star and former AFL player Ray Connellan, spoken word artist Malaki, and ultra-marathon runner Conor O'Keeffe will speak about their personal experiences with mental health pressures.

There will also be a special musical performance from Pillow.

Don’t Miss

Intergalactic, 9.00pm, Sky One & NOW TV

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Sky’s sci-fi drama continues as the Hemlock fugitives set about salvaging their crash-landed ship, and Ash makes her escape through an alien desert in a desperate attempt to call home.

On the way she makes an unwelcome acquaintance of scruffy space-pirate Echo Nantu-Rose, and almost crosses paths with Tula and her gang as they meet with a local gangster - Zeeda.

Meanwhile, Rebecca’s fears over Ash’s plight are compounded when she learns that terrorist organisation ARC (Aurea Rebel Coalition) are behind Ash’s wrongful imprisonment.

Food Unwrapped Does Takeaways, 8.00pm, Channel 4

This week the team tracks down fascinating facts from around the world related to the growing British tradition of savouring takeaway food, on which a billion of their Sterling pounds is spent a month.

Jimmy Doherty is in Thailand to discover the unexpected addition in spring rolls.

He then heads to India to find out the real reason takeaway curry can be so delicious - the mythical ingredient being ghee.

Amanda Byram (above) spills the beans on coffee and learns why some cups leave consumers more buzzing than others, while Andi Oliver learns how doner kebabs are made and goes to the award ceremony known as the Kebaftas.

This Time with Alan Partridge, 9.30pm, BBC One

More fun and games with Steve Coogan and his bungling broadcaster alter ego.

Now established as co-host of BBC One magazine show This Time, Alan is relishing the chance to showcase his broadcasting chops every weekday following an unfortunate era of working in hyper-local radio and presenting corporate videos.

This week, a new make-up artist puts a spring in Alan Partridge’s step, while a blast from his past returns to make amends. And look at the trailer - it's Cheeky Monkey!!!!!

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New or Returning Shows

Emmylou Harris: From a Deeper Well, 9.00pm, BBC Four

A near four-hour feast of Emmylou and country kicks off with this profile of the highly respected singer, who has spent the past 30 years building an impressive body of country music.

Discovered by Gram Parsons, Harris and her former backing group the Hot Band revolutionised the genre in the 1970s and 1980s, re-interpreting it for successive generations of fans.

She then went on to release Wrecking Ball, one of the most critically acclaimed albums of the 1990s.

Featuring interviews with friends, colleagues and admirers including Elvis Costello, Willie Nelson and Keith Richards.

Timeshift: Emmylou Harris’s 10 Commandments of Country, 10.00pm, BBC Four

A performance from Los Angeles by the American musician, highlighting the rules she believes make for a great country song.

Each track illustrates one of her 10 commandments, with a short introduction to explain why it was chosen and what element of the genre it best represents.

Followed by Emmylou Harris: Old Grey Whistle Test Special (11pm), Sisters in Country: Dolly, Linda and Emmylou (11.40pm) and Country at the BBC (12.40am).

New to Stream

Tenet, Sky Cinema & NOW TV

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John David Washington stars in director/auteur Christopher Nolan’s typically challenging sci-fi action thriller that will be sure to bend your mind as well as your concept of time.

Armed with only one word - yep, it's Tenet - and fighting for the survival of the entire world, The Protagonist (Washington) journeys through a twilight world of international espionage on a mission that will unfold in something beyond real time.

Jupiter’s Legacy, Netflix

They're the first generation of superheroes. But as they pass the torch to their children, tensions are rising - and the old rules no longer apply.

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Monster, Netflix

A talented teen implicated in a robbery-turned-murder fights for his innocence and integrity against a criminal justice system that’s already judged him.

Ending Tonight

The Flight Attendant, 10.00pm, Sky One

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Former Big Bang Theory star Kaley Cuoco has been superb in the lead role here as the eponymous attendant, Cassie Bowden, whose reckless boozing gets her caught up in a murder mystery that leads her into a web of international intrigue.

In this final episode – could there be a second season? - Cassie comes face to face with Alex's killer, while Annie works with the FBI and Megan comes clean.

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