Most of our water comes from rivers, and environmentalists fear we are pushing some of them and the wildlife they support to the edge. With many of Britain's rivers at the limit of what can sustainably be taken from them, Simon Boazman investigates whether the water industry and its regulators are doing enough to protect the nation's rivers.

In the last of this two part series, Mishal Husain meets those who spread the revolt to Libya and Bahrain, and those who are still fighting the Syrian regime.

The story of how the Arab world erupted in revolution, as a new generation used the internet and social media to try to overthrow their hated leaders.

Dispatches investigates the use of both recreational and performance-enhancing substances in our national game.

In a film broadcast on the day that the mass eviction was due to start on Dale Farm, Britain\'s largest traveller site, Dispatches reporter Deborah Davies investigates the controversial relations between gypsies and travellers, their neighbours and the law.

When the 33 Chilean miners emerged from underground before a worldwide audience of over a billion, they made a pact not to speak about what had happened underground. Now six of them remember the untold story of the first 17 days - when no-one outside knew if they were alive.

The children of 9/11 - from those who were in the womb to those on the brink of adulthood - reveal how children come to terms with tragedy and how families confront grief.

A stellar cast of White House insiders speak on camera about the operation to find and kill Osama Bin Laden, including the first - and extraordinary - documentary interview with President Barack Obama on the subject.

Matt Smith counts down the top 50 goals of the last twenty years by the current Champions League holders. Featuring Ronaldinho, Rivaldo and the majestic Messi.

A journey through some of the finest moments of acoustic guitar performances from the BBC archives, from Jimmy Page\'s television debut in 1958 to Oasis and Biffy Clyro.

This brand new film tells of the emergency treatment of the injured that took place in and around the World Trade Center as the jets crashed and the towers fell on the morning of 9/11.

Documentary marking the tenth anniversary of the September 11 terrorist attacks on the United States. The day is recalled by key decision-makers including Dick Cheney and Donald Rumsfeld.

Idris Elba reveals the defining moments in street music and culture over the last 35 years, featuring rare archive material, seminal music videos and insight from hip hop stars.

Presented by acclaimed hip hop artist Akala, Life of Rhyme explores spoken word and rap, featuring performances and the story of how the UK scene evolved and developed.

Natural World visits the Arizona desert, where a new honey ant queen wages an intense battle for survival as she attempts to build and defend her empire. Eliminating rivals with ruthless efficiency, sacrificing thousands in her quest for domination, murder, cannibalism, genocide - she will do anything to keep her crown. Empire of the Ants is the epic story of one honey ant queen\'s dramatic rise to power - her brutal fall from grace.

Child psychologist Laverne Antrobus delves into the Horizon archive to find out how science has shaped our approach to parenting and education over the last fifty years.

Horizon reveals the science behind our perception of colour, a highly subjective illusion.

Examining Stephen Hawking\'s most controversial theory and possibly his greatest mistake.

The story of General Butt Naked, the despised Liberian warlord responsible for the death of 20,000 people, who reinvented himself as an evangelical preacher

A reality thriller that is a shocking product of our times, Catfish is a riveting story of love, deception and grace within a labyrinth of online intrigue.

The unlikely story of how, between 1929 and 1945, a group of tweed-wearing radicals and pin-striped bureaucrats created the most influential movement in the history of British film. They were the British Documentary Movement and they gave Britons a taste for watching films about real life.

In the last month of the space shuttle programme, Kevin Fong is granted extraordinary access to the astronauts and ground crew as they prepare for their final mission.

Blue Peter gardener Chris Collins celebrates the humble and sometimes hated plants we call weeds. He discovers that there is no such thing as a weed, botanically speaking, and that in fact what we call a weed has changed again and again over the last three hundred years.

During the Soviet era, the people of Semipalatinsk in Kazakhstan were used as human guinea pigs in the testing of nuclear weapons. Today the residents believe they are living with the consequences: one in 20 children is born with defects.

Professor Jim Al Khalili delves into over 50 years of the BBC science archive to tell the story behind the emergence of one of the greatest theories of modern science, the Big Bang.

Professor Brian Cox takes a look through nearly 50 years of BBC archive at the story of man's relationship with the Moon.

Kinks guitarist Dave Davies relives his tumultuous life.

As the creative powerhouse behind hugely influential band The Kinks, Ray Davies was responsible for writing some of the best-loved songs of the 60s, including pop classics You Really Got Me, Tired of Waiting For You, Dedicated Follower of Fashion, Sunny Afternoon and Waterloo Sunset.

Andrew Graham-Dixon explores the ancient Christian practice of preserving holy relics and the largely forgotten art form that went with it, the reliquary.

Marking the 70th anniversary of the Nazi invasion of the Soviet Union in 1941, historian Professor David Reynolds re-assesses Stalin's role in the life and death struggle between Germany and Russia in World War Two.