As YouTube celebrates its tenth birthday, vloggers now sell out stadiums and have fanbases boy bands would kill for. Jim Chapman, himself a superstar vlogger with quarter of a billion views of his videos, takes us behind the scenes of the biggest vloggers on the planet.

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

Professor Iain Stewart reveals the story behind the Scottish physicist who was Einstein's hero; James Clerk Maxwell. Maxwell's discoveries not only inspired Einstein, but they helped shape our modern world - allowing the development of radio, TV, mobile phones and much more.

A chance to look back at a classic Horizon special in which James Burke looks at space exploration and exploitation. Originally transmitted in 1984, James begins by looking at the Apollo XI moon landing, before moving on to future space plans for humankind.

The story of the most elegant and powerful theory in science, Albert Einstein's general relativity. It takes us inside the head of Einstein to witness how his idea evolved.

On the 15th December, Tim Peake will launch into space to be Britain's first astronaut on board the International Space Station. For the past two years, Tim has been filming a video diary for Horizon showing the risks, pressures and rigorous training required to launch into space. Horizon also talks exclusively to his wife and two children as they prepare to wave him goodbye on his voyage to space.

The Class of '92's first season in charge draws to a close, and all eyes turn to Salford. But will the gamble on their new venture pay off, and will Salford FC realise their dreams of promotion?

BBC One brings Class Of 92: Out Of Their League, a new 2x60 documentary series. The series captures the humour and drama, both on and off the pitch, as the ex-players start their first season in charge of Salford City FC – a club seven tiers down from the Premier League and normally run by local volunteers.

Is poetry the new rock 'n' roll - or is rock 'n' roll the new poetry? This documentary explores how the edges between performance poetry and popular music have become blurred - a radical cross-pollination that began 50 years ago when Allen Ginsberg stormed the stage of the Royal Albert Hall.

This new documentary tells the fascinating inside story of an archaeological investigation that has discovered the remains of an entirely new species of human ancestor, Homo naledi.The discovery grabbed headlines worldwide and is already re-writing the story of our origins and could transform the understanding of how modern humans evolved from ape-like creatures.

The surprising story of the hidden powerhouse behind the globalised world - the diesel engine, a 19th-century invention that has become indispensable to the 21st century.

Documentary which combines astonishing footage from Saigon in April 1975 with contemporary reflections from those who were there. During the chaotic final weeks of the Vietnam War, the North Vietnamese Army closes in on Saigon as the panicked South Vietnamese people desperately attempt to escape.

Hosted by Mark Radcliffe and recorded at the British Library, this year's John Peel lecture is delivered by legendary music guru and pioneer Brian Eno. The man behind some of the most memorable sounds in music history, and whose passion to innovate and experiment has kept him at the forefront of music and sound production, speaks about the ecology of culture.

Filmed over 5 years, A Syrian Love Story charts an incredible odyssey to political freedom. For Raghda and Amer, it is a journey of hope, dreams and despair: for the revolution, their homeland and each other.

Particle physicist Professor Brian Cox asks, 'What time is it?' It's a simple question and it sounds like it has a simple answer. But do we really know what it is that we're asking?

Forget the Big Bang. The real moment of creation was the moment of first light, the moment the first stars were born. Horizon tells the scientific version of the story of Genesis.

Rome was the world's first ancient megacity. At a time when few towns could number more than 10,000 inhabitants, more than a million lived in Rome. But in a world without modern technology, how on earth did the Romans do it?

In the opening episode of the series, Professor Andrew Wallace-Hadrill takes us on a journey across stunning locations in Greece and Italy to find out how Athens gave birth to the idea of a city run by free citizens 2,500 years ago. Every aspect of daily life from defence to waste disposal was controlled not by a king, but by the Athenians themselves.

Until very recently the whole idea of the multiverse was dismissed as fantasy. Horizon asks whether multiple universes exist and, if so, which one we are actually in.

A look at people living with OCD, the therapy available and what neuroscience can offer.

Horizon reveals how new archaeological discoveries are painting a different picture of the very first native Britons. For centuries it's been thought that these hunter-gatherers lived a brutal, hand-to-mouth existence. But extraordinary new evidence has forced scientists to rethink who these people were, where they came from and what impact they had on our early history.

In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem of satellites mysteriously breaking down. With first-hand accounts from astronauts and experts, Horizon reveals the scale of the problem of space junk.

Michael Mosley puts himself through a battery of health tests available to people who feel perfectly well. From an expensive heart scan to a new national screening procedure to detect the earliest signs of bowel cancer, Mosley sets out to discover which if any of the tests are worth doing.

Professor Richard Fortey delves into the fascinating and normally hidden kingdom of fungi. From their spectacular birth, through their secretive underground life to their final explosive death, Richard reveals a remarkable world that few of us understand or even realise exists - yet all life on Earth depends on it.

2015 marks the 40th anniversary of tennis legend Arthur Ashe lifting the Wimbledon men's singles title. From boyhood in segregated America to becoming one of the world's opinion-formers, Ashe's story is told poignantly by his brother Johnnie, along with friends Stan Smith, Donald Dell and rivals like Ilie Nastase.

Lyse Doucet follows the lives of children on both sides of the conflict in Gaza. Children in Gaza and Israel have lived through three major conflicts in six years.

Professor Mark Miodownik concludes his odyssey of the stuff of modern life. This time he looks at how materials have enabled us to indulge our curiosity about the world around us.

Mark Miodownik reveals the amazing stories behind everyday objects of desire and how they are miraculously transformed from raw materials into the very stuff of the modern world.

Since he was a teenager, Dara O Briain has been fascinated with professor Stephen Hawking, the world's most celebrated scientist. In this special film, Dara spends time with his boyhood hero as he attends the world premiere of The Theory of Everything, the movie made about his life, and then at Professor Hawking's home and place of work in Cambridge.

The film is an unvarnished account of the scientists who dared to discover the secret of life - told through fascinating and revealing archive - in their own words.