Sarah Waldron

Initially technology fails to track a Malaysian Airlines Flight MH370 when it mysteriously disappears. Can new evidence help locate the plane and finally solve aviation’s greatest mystery?

With the Doomsday Clock the closest it's ever been to midnight, Jane Corbin investigates the proliferation of nuclear weapons across the globe. She visits Los Alamos, home to the United States’ nuclear weapons development facility and the historic home of Oppenheimer’s Manhattan Project. In Scotland, she reveals the strategy behind Britain’s nuclear deterrent, and speaks to campaigners in Suffolk fighting against US weapons they fear will be based on UK soil. Jane also discovers how many of the global agreements and safeguards that have constrained the spread of nuclear weapons since the 1970s are breaking down. This is a story told by the scientists, investigators and diplomats who set the clock and have fought to ensure that the ultimate deterrent has not been used in over 70 years.

At 15, Shamima Begum left London to join the terror group Islamic State. For the first time, her account of what happened is investigated to find the truth.

For more than 70 years, the UN has been at the forefront of work to uphold human rights and promote global peace. But what happens when the fixer of the world’s problems is itself faced with allegations of wrongdoing and corruption? What happens when UN staff try to call out their own managers and colleagues?

Using never-before seen footage, testimony from witnesses speaking for the very first time, and expert analysis, this documentary aims to uncover the inside story of the Ever Given accident. And with over 2,500 shipping incidents a year, the film also asks if this was just a freak accident or whether it reveals a serious weakness in the world’s critical supply chain.

Exploring the life of Aung San Suu Kyi. After 15 years of house arrest in Myanmar, she was celebrated as an icon of democracy, but ten years on, she is seen by many as an international pariah.

The story of some of the people on the Polcevera Bridge on the day of its collapse, investigating what caused the bridge to fail so catastrophically.

Documentary exploring body dysmorphic disorder, a condition which causes people to believe they are extremely ugly. The film follows 29-year-old Liane and her boyfriend Mitch over a year as Liane starts therapy to try and conquer this crippling condition. Each week Liane meets Professor David Veale, one of the world's leading experts on BDD, who attempts to undo some of her deeply entrenched habits, often leading to uncomfortable and revealing realisations. The documentary also hears from a range of people who are in recovery from BDD talking movingly about their own personal experiences helps illuminate Liane's journey and reveals more about this illness.

Simon Reeve visits Colombia in the year of the pacification, at least on paper, between the government, 'aided' by right-wing death squads, and the Marxist FARC guerrilla, which was turning into an armed super-drug cartel and champion of ransom kidnappings. He speaks with people about the horror that hopefully nears its end and the prospects if both sides disarm.

Following the crisis in Ukraine and Russia's involvement in Syria, the world is closer to superpower confrontation than at any time since the end of the Cold War. Now, a war room of senior former British military and diplomatic figures comes together to war-game a hypothetical 'hot war' in eastern Europe, including the unthinkable - nuclear confrontation.