Long Lost Family (ITV, 9pm)

DAVINA McCALL is used to her shows getting a mixed reaction from the public. She told The Express: "Programmes I present often polarise people, especially something like Big Brother, where people go 'I loved it' and others 'I hated it.'"

But it seems there's one series that viewers can all agree on. She says: "There's nobody who doesn't like Long Lost Family. We went to the BAFTAs and I can't tell you the number of famous people who came up to me and said, 'Oh my God, I love it.'"

Its enduring appeal (the show is now on its eighth series) is testament to the moving and frequently fascinating stories. For example, tonight's episode features two tales which both have unexpected outcomes.

The first concerns Christina O'Connor, who grew up in London, the youngest of three daughters. For many years, she lost contact with her father, but managed to track him down herself in adulthood, without the help of McCall and her co-presenter Nicky Campbell.

However, when they met up, her father had a question for her: "Did you ever find your brother?" This took Christina by surprise, as she didn't think she had a brother.

But when she started to dig a little deeper, she discovered she had an older brother called Martin, who her mother had given up for adoption. Christina believes that he may have been a child from a previous relationship and that her father struggled to accept him.

What she does know from questioning her aunts is that he stayed in the family for some time, and that there is even a photo of him as a little boy in a family album.

But can the Long Lost Family team track him down and discover what really happened?

The second story features ex-Marine and former England rugby international Spencer Brown, who seems to have led a very successful and fulfilled life.

However, he admits there's something missing, and that's the birth mother and sister he was separated from as a baby.

Spencer has always known he was adopted - he's mixed race and his adoptive parents are white. He's thankful to them for giving him love, support and a great start in life, but longs to find out more about his birth family.

He knows from his adoption papers that his mother also had a daughter named Margot and he's keen to find both of them. However, the search takes an unexpected twist and results in Margot receiving some life-changing news.

As always, it's going to be emotional, but don't expect Davina to be sobbing on screen - she admits that no matter how moving the stories may be, she tries to keep her composure for the sake of those taking part.

She told OK! Magazine: ""I literally would rather stab my thigh with a biro than cry.

"The thought that a contributor would look at me and say: 'Are you ok?' would be terrible. I couldn't do it."

10K Holiday Home (ITV, regions vary)

IT'S been claimed that the average family spends £5,000 on their annual break - but what if instead of shelling out on hotels or lets, you could spend double that amount and buy and renovate a house abroad? In this new series, Julia Bradbury meets some of the people who claim to have done just that and attempts to transform her own budget place in the sun with the help of her friend, designer and salvage expert Max McMurdo. In the opening episode, Julia heads to Portugal to check out two potential bargains. Her first stop is in the Algarve, but she learns that the further north you go, the cheaper the property gets. She also heads to Bulgaria to meets Londoners Simon and Philip, who found their own holiday home, while Max discovers you don't even have to spend thousands as he splashes out £100 on a neglected 1980s caravan.

Age Before Beauty (BBC1, 9pm)

WHAT Debbie Horsfield doesn't know about crafting compelling drama isn't worth knowing. She proved it with hit shows such as Playing the Field and Cutting It; breathed new life into historical drama Poldark, and has now come up with the TV equivalent of an airport page-turner. Of course it doesn't hurt that she has such a dream cast, with Polly Walker and Robson Green on top form. In the latest offering, Bel hopes Wes's infidelity will be short-lived and puts a plan in motion to win him back. She books a PT session with Lorelei and is horrified that her rival is young and gorgeous.

Horizon: Jupiter Revealed (BBC2, regions vary)

THANKS to NASA's Juno mission, scientists are starting to peel back the layers of the Jupiter to reveal the wonders within. Professor Kaitlin Kratter reveals how extreme the planet is, with the aid of a quarry and a few rocks, giving some idea of the size of the largest body in the solar system. And at the National Ignition facility in Northern California, Dr Marius Millot uses powerful lasers normally used for nuclear fusion for an experiment giving an idea of the pressures inside Jupiter. Narrated by Toby Jones.

The Foreign Doctors Are Coming (C4, 10pm)

THE NHS may be looking to recruit doctors from overseas to deal with shortages in the service, but that doesn't mean that foreign medics can just walk straight into a job. This eye-opening documentary, which was shot over the course of 10 months, reveals just what it takes to work on a British ward as it charts the experiences of doctors from everywhere from Brazil to Egypt. The film reveals that many of them find the training tougher than expected, especially as they are adjusting to a new health system, culture and, in some cases, language while studying for their exams. Then there's the patients, some of whom have much higher expectations than the medics are used to. Can they pass their exams and land a job in the NHS, or will they be left wondering if the money they spent coming to the UK really was a wise investment?

Stacey Dooley: Face to Face with ISIS (BBC1, 10.45pm)

THE hard-hitting BBC3 documentary comes to BBC1 as Stacey Dooley returns to Iraq to meet Shireen, a 23-year-old Yazidi woman who was held as a sex slave for over two years by ISIS. Shireen managed to escape, but many women like her remain in captivity. With Stacey in tow, she makes the brave decision to return to Mosul, ISIS's self-declared Iraqi capital, to revisit some of the places where she was held and to learn more about how the country's legal system is dealing with the issue. Will Shireen ever get justice for what she has been through?