Wellington: The Iron Duke Unmasked

Matt Frei enters the colourful and mad world of presidential hopeful Donald Trump, whose meteoric political rise comes amid one of the most controversial political campaigns America has ever seen.

Documentary telling the inside story of the plans by Louis Mountbatten to maneuver his nephew and heir to the Greek throne, Philip, into marrying the future queen Princess Elizabeth and the tensions that that unleashed.

Secret History was a long-running British television documentary series. Shown on Channel 4, the Secret History brandname was used as a banner title in the UK, but many of the individual documentaries can still be found on US cable channels without the branding. It can be seen as Channel 4's answer to the BBC's Timewatch.

Documentary examining the downing of the Pan Am flight in December 1988. The stories of six victims and six survivors are told, including the man who got drunk at Heathrow and missed the flight, the mother and daughter who flipped a coin to decide who would travel, and the father taking his young family on holiday.

With Nicholas Rowe, Helen Rappaport, Lucinda Hawksley, Matthew Sweet.

Uncovers the extraordinary truth behind some of the Mafia's most notorious outlaws, and reveals how the FBI and law enforcement developed the techniques to crack the organization and bring it to justice. This is the story of the rise and fall of the Mafia, told by the people who brought it down.

Women who fought back against Harvey Weinstein tell their stories.

In 2004, The San Fernando Valley porno industry came to a virtual standstill after it was revealed that popular performer Darren James became infected with HIV during a porno shoot in Brazil.

A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.

Since it began in 1983, Frontline has been airing public-affairs documentaries that explore a wide scope of the complex human experience. Frontline's goal is to extend the impact of the documentary beyond its initial broadcast by serving as a catalyst for change.

An in-depth look at news stories. Documentaries that take you behind the scenes giving an insight into people's lives or institutions.

At the time World War I broke out, the King of England, the Czar of Russia, and the Kaiser of Germany were first cousins. This two-part series looks at the role played by Tsar Nicholas II of Russia, Kaiser Wilhelm II of Germany and King George V of England, and their relationships with each other, in the outbreak of war. Mismanaging their countries and mishandling foreign policy, they failed to adapt to the forces of nationalism and democracy, and so brought tumbling down their own ideal of a Europe governed by the descendants of Queen Victoria. While it was war that delivered the final blow, this fascinating series shows how the problems had set in much earlier. A two part miniseries.

It is a book that originated thousands of years ago in the Middle East. The subject of intensive scholarship and interpretation, the Bible and its rich narratives have shaped politics, culture, and the human experience through the ages. Seven people from different walks of life offer their perspectives on what history's best selling book says about spiritual life and relationships with others.

This documentary series examines the adult entertainment industry.

Landmark series lifting the lid on Silicon Valley's tech titans - Gates, Bezos, Zuckerberg and Musk - who changed our world forever, from how we communicate to how we shop and the information we get.