Survivors looks at people coping with trauma, Snackmasters delves into the secrets behind Kit Kat bars, while Line of Duty hits dramatic overdrive . . .

Pick of the Day

Survivors, 11.10pm, RTÉ One

Clinical psychologist Dr Paul D'Alton, interviews four very different survivors of trauma about how they found or developed the resources to enable them, not only to survive, but flourish, after seemingly catastrophic experiences.

First up is Geraldine Lavelle was in her prime of her life in her mid-twenties, with a first class honours degree in neuro-science, a loving relationship and a good job.

Her life changed when she suffered a catastrophic spinal injury in a road accident, which left her with very limited movement and sensation below the shoulders. Incredibly, she has since re-built her life and independence and, in the process, become an inspirational and influential role model.

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New or Returning Shows

Warning: This Drug May Kill You, 10.10pm, Sky Atlantic

This HBO documentary offers an unflinching look at the devastating effects of addiction through the stories of four families whose lives have been decimated by situations that all began with legitimate prescriptions to dangerous painkillers.

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Snackmasters, 9.15pm, Channel 4

Renowned maître d' Fred Sirieix sets an extraordinary challenge for some of Britain's top chefs: to try to work out the secret techniques and recipes behind some best-loved snacks.

In this opening episode it's the hugely popular chocolate-covered wafer bar, Kit Kat. Two-Michelin-star chef Daniel Clifford, from Cambridge's Midsummer House, competes with chef patron Vivek Singh, from Westminster's Cinnamon Club, to make the perfect replica.

Once they've completed their masterpieces, in a frantic cook off at the Kit Kat factory, the chefs are judged by the assembly-line workers and bosses behind the real thing.

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New to Download

Nikki Glaser: Bangin’, Netflix

Following her popular set on The Standups, Nikki Glaser is back with her first hour-long original comedy special.

Here, Nikki keeps the audience at the edge of their seat as she delves into taboo topics. The gloves are off as she pushes back at the unreal sexual expectations women face with her no-holds-barred style.

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Ending Tonight

Copper, 10.00pm, Alibi

Crime drama set in New York during the 1860s, with Tom Weston-Jones as Kevin 'Corky' Corcoran, an Irish immigrant New York police officer in the infamous Five Points area of Manhattan.

As the last-ever episode begins, Corcoran races to keep his life - and New York City - intact. Joining forces with Robert Morehouse, Eva Heissen, and the Sixth Precinct, Corcoran prepares for his biggest fight.

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Don't Miss

Line of Duty, 10.10pm, RTÉ 2

It's the penultimate episode of the fourth season of Jed Mercurio's claustrophobic cop drama.

At a team briefing, DS Neil Twyler reports biometrics suggest 'Balaclava Man' who attacked Arnott and 'Balaclava Man' seen in the area of Collersdale's murder are the same man.

Meanwhile, Thandie Newton's DCI Roz Huntley struggles to allay her husband's suspicions and AC-12 find a new angle to pursue their case against her.

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The Great British Bake Off, 8.00pm, Channel 4

It's Dessert Week, with Prue Leith and Paul Hollywood looking for the bakers to produce the perfect finale to any meal.

For the Signature challenge the layers stack up in an elegant and challenging bake. There's a Technical where success lies in delicate assembly and precise decoration.

And the Showstopper is a spherical celebration cake.

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