Four British astronomers celebrate 50 years of work and friendship by going on a road trip to revisit some of the world's greatest observatories.

The real story of the campaign for Brexit, with behind-the-scenes access documenting every twist and turn of the Leave campaign and the Conservative leadership race that followed.

With exclusive behind-the-scenes access, Horizon follows the highs and lows of an extraordinary story in particle physics. In June 2015, teams at CERN started running the large hadron collider at the highest energy ever. Rumours quickly emerged that they were on the brink of a huge discovery.

Ken Loach, who has been making socially aware dramas and documentaries for over 50 years, reflects on his often controversial career, with comments from colleagues, friends and family. Successes like Cathy Come Home, Kes and Palm d'Or winning The Wind that Shakes the Barley are matched by tales of projects shelved or pilloried, a stage play cancelled during rehearsals, and a personal tragedy.

Alan Yentob tells the story of London's Olympic Opening Ceremony as seen through the eyes of its artistic director Danny Boyle and his creative team.

A witty and mind-expanding exploration of data, with mathematician Dr Hannah Fry. This high-tech romp reveals what data is and how it is captured, stored, shared and made sense of. Fry tells the story of the engineers of the data age, people most of us have never heard of despite the fact they brought about a technological and philosophical revolution.

Professor Brian Cox combines some of the most spectacular sights on Earth with our deepest understanding of the universe to reveal how the planet's beauty is created by just a handful of forces.

In 2015, we gave cameras to some of the people who smuggled themselves into Europe, to record where no-one else can go. The result is a terrifying, intimate, epic portrait of the migration crisis.

Documentary telling the intimate but explosive story about the man behind the greatest fraud in recent sporting history, a portrait of a man who stopped at nothing in pursuit of money, fame and success.

Historian Bettany Hughes retraces the lives of three great thinkers whose ideas shaped the modern world - Karl Marx, Frederick Nietzsche and Sigmund Freud.

Over 62 per cent of adults in the UK are currently overweight or obese and this figure is set to rise. A common attitude is that obese people should be ashamed - it is their fault, they have no will power and if they could just 'eat less and exercise more', the problem would soon be solved.

Horizon investigates a new era of Alzheimer's research, which is bringing hope to millions of sufferers across the world.

Mark Radcliffe presents a look at the highs and lows of band life - the creative tension that produces great music and the pressures that come with success and fame, and pull most bands apart. Radcliffe lifts the lid on the main reasons why bands break up and the secrets of bands that manage to stay together.

Professor Brian Cox reveals how the fundamental scientific principles and laws explain not only the story of the universe but also answer mankind's greatest questions.

In this spellbinding series Professor Brian Cox visits the most extreme locations on Earth to explain how the laws of physics carved natural wonders across the solar system.

Documentary series about feminism and its impact on women's lives from acclaimed filmmaker Vanessa Engle

The World at War (1973–74) is a 26-episode British television documentary series chronicling the events of the Second World War.

The White Season was a series of documentaries shown in March 2008 on BBC 2 dealing with issues of race and the changing nature of the white working class in Britain.

Virtual Revolution charts two decades of profound change since the invention of the World Wide Web, weighing up the huge benefits and the unforeseen downsides

2008 has seen a staggering number of teenage gang and knife attacks on Britain's streets with a death toll comparable to that of our troops fighting in Afghanistan and Iraq.

The Street Weapons Commission, chaired by Cherie Booth, has toured the country to find out why so many young people now carry guns and knives. These are highlights of each hearing.

Three-part series by Michael Cockerell going behind the scenes at Whitehall

Michael Mosley embarks on an informative and ambitious journey exploring how the evolution of scientific understanding is intimately interwoven with society's historical path.

Documentary series exploring the lives of Romanians trying to make a new life in Britain.

Updated documentary series using computer animations, archive footage and interviews to examine our current knowledge and contact with the bodies of our solar system.

The history, wildlife and exploration of the River Nile.

Documentary series examining how a cultured nation at the heart of Europe allowed Hitler to come to power

A look at the natural history of birds, narrated by David Attenborough.

The History Of Football - The Beautiful Game takes you beyond great goals and classic match action to focus on every aspect of the game. On and off the pitch, along the corridors of power, from its humble beginnings to the billion pound industry it is today.

Series investigating the geological forces which shaped East Africa's Great Rift Valley and which make it one of the world's most wildlife-rich landscapes