International investigative documentary series. It has been quite a year for America's first black president. Promising change and appealing for unity, Barack Obama won his way into two wars and the worst recession since the 1930s

n Thailand a charismatic woman leader has just won a general election promising justice for the victims of army violence. Last year more than ninety people were killed in bloody clashes between demonstrators and the army in central Bangkok.

How a crisis on a tiny island in the middle of the Mediterranean is changing the face of immigration in Europe.

Unarmed Black Male follows the murder trial of a white police officer in Portsmouth, Virginia, accused of shooting an unarmed black teenager. On 22 April 2015, Officer Stephen Rankin responded to a report of shoplifting at a Walmart store. Minutes after arriving in the parking lot he shot and killed William Chapman.

In the 1950s and '60s, one million Britons voluntarily migrated to what had been a former penal colony only a hundred years earlier. The Ten Pound Pom scheme to Australia was one of the largest planned migrations of the 20th Century.

Fracking has become a national debate in Britain and it’s one the Government are determined to win. With an estimated 1,300 trillion cubic feet of shale gas lying underneath Britain, just a tenth of which could supply our energy needs for over 40 years, it is seen by many as an opportunity which is too good to miss.But what is the environmental cost?

Portrait of a key architect of the Russian Revolution, Lev Bronstein, alias Trotsky, strategist days in October 1917, assassinated in Mexico in 1940 on Stalin's orders.

The astonishing story of Mike Campbell, a courageous Zimbabwean farmer who stood up against the illegal land grabs of the Mugabe regime.

On December 17th 2003, a 25-year-old woman called Malalai Joya stood up during the Afghan Grand Assembly and declared that many of those present were 'felons' and 'criminals' who had turned the country 'into the nucleus of national and international wars'.

In a country where the Taliban outlawed music, Afghan Star is a small but significant unifying force for the country's diverse ethnic groups; as the programme's presenter Daod Sediqi says, 'the aim is to take the people's hand from weapons to music'.

As westerners sip designer lattes and cappuccinos, Ethiopian coffee growers live in hardship. Black Gold travels from Ethiopia to Seattle to reveal the grinding poverty behind our daily cup of luxury.

The true story of a gang of young drug dealers, told using surveillance footage to provide a fascinating insight into their lives.

The story of Neda Agha Soltan, the young Iranian woman shot dead in Tehran in 2009 - who she was, why she became a powerful symbol and what she was fighting for.

Danfung Dennis paints an uncommonly intimate picture of the reality for soldiers involved in the Afghan conflict, both on the battlefield and in the unsettling normalcy of home.

Laura Poitras' film tells how two men whose lives were caught up with Al Qaeda leader Osama bin Laden ended up taking very different paths after the invasion of Iraq.

Henry Kissinger has done more than any other individual to shape the foreign policy of the United States, both during his time as Secretary of State, and afterwards, as he continued to advise successive presidents and governments around the world.Over a p

Roberto Hernandez and Geoffrey Smith's film examines, through one man's case, the reality of Mexico's judicial system, where the accused is presumed guilty.

The incredible story of Pablo Escobar, the infamous boss of Colombia's Medellin drug cartel, told by his son, Sebastian, and his widow, Maria Isabel Santos.

This True Stories documentary unravels the tangled tale of Venezuela's oil industry, which was taken into state control by President Hugo Chavez in 2002.

Award-winning director Nick Broomfield battles the snows of Alaska in mid-winter, to find the school friends, family and Republican colleagues that in previous days gave their heart, soul and belief to charismatic, charming, intoxicating ex-hockey mum Sarah Palin.

Laura Fairrie's film records the battle between Labour's Margaret Hodge and BNP leader Nick Griffin in the London borough of Barking during the 2011 election.

Simeon II was declared Tsar of Bulgaria at the age of six, but ousted and banished aged nine by the Communist dictatorship, only to return triumphantly 55 years later in 2001 as Prime Minister, in an unprecedented journey from boy king to democratic leader.

The Flaw attempts to explain in unprecedented depth the underlying causes of the global financial crisis

The Pipe meets members of a small community in a remote corner of Ireland resisting Shell Oil's attempts to lay a gas pipeline across their farmland.

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

The Yes Men set out to demonstrate, via a series of audacious stunts, the true meaning of corporate responsibility.

Kimberly Rivers Roberts' chilling, Oscar-nominated home video captures the ferocious force of Hurricane Katrina as it lays waste to the city of New Orleans.

It ran on electricity, produced no emissions and catapulted American technology to the forefront of the automotive industry. The lucky few who drove it never wanted to give it up. So why did General Motors crush its fleet of EV1 electric vehicles into landfill sites in the obscurity of the Arizona desert?

This documentary presents the definitive account of the ‘wiki-saga', featuring the first major television interview with Wikileaks founder Julian Assange.

Mark Henderson was taken hostage in Colombia in 2003. Now he's returning to Colombia to meet one of his kidnappers and understand the truth behind his imprisonment.