Drawing on the latest theories as well as 200 years of scientific discoveries and the genius of Einstein, Brian tries to answer the classic questions raised by the Doctor - can you really travel in time? Does extra-terrestrial life exist in our galaxy? And how do you build something as fantastical as the TARDIS?

In the 1970s, America was one nation under a groove as an irresistible new style of music took hold of the country - funk. The music burst out of the black community at a time of self-discovery, struggle and social change.

Documentary in which director and DJ Don Letts looks at a very particular and very provocative British subculture - skinhead. He explores how skinhead has become associated with street fighting, trouble on the football terraces and violent racism in the public consciousness in Britain and around the world, but reveals that its origins lie in a cultural coming together that could not be further from its tarnished image.

This film explores the culture of silence that grips on the Mancunian community in which 15-year-old Jesse James was murdered two years ago.

Series which follows Martha Kearney's bee-keeping year and explores the science, art and culture of the honeybee, the most ingenious insect known to humankind.

Japan's society and culture during wartime, and how life is transformed as the country gradually becomes aware of increasinly catastrophic setbacks including the Doolittle raid, defeat at Midway, the death of Isoroku Yamamoto, the battle of Saipan and the relentless bombing of Japanese cities.

Documentary presented by former French international footballer Thierry Henry. He looks at the stories of Euros gone by and the cultural impact football has had across Europe.

Marking the 50th anniversary of the influential novel To Kill a Mockingbird, writer Andrew Smith visits Monroeville in Alabama, the setting of the book, to see how life there has changed in half a century.

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

Babes in Hollywood follows a dozen aspiring child actors over three months as they try to win US television roles against staggering odds.

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.

Yuwali was 17 when her first contact with white men was filmed. In 1964, as part of a rocket-launching exercise, a native welfare patrol officer was checking that an area in Australia's Western Desert was not inhabited when he met Yuwali and 19 other Aboriginal women and children.

Filmed over two years by award-winning photographer Leo Maguire, Gypsy Blood examines the violent culture that some gypsy and traveller fathers hand on to their sons.

A British scientist is attempting to convince farmers and the authorities to adopt his revolutionary alternative to slash-and-burn farming.

Unreported World travels to Turkey to investigate honour killings, which have now reached record levels with more than 200 girls and women killed in the past year alone. The programme highlights a chilling new development in which a new law outlawing honour killings may have led to a huge increase in girls being forced to commit suicide instead.

Cinema was outlawed in Afghanistan under the Taliban and a decade later, despite their overthrow, death threats remain a fact of life for Afghan film-makers.

In the run-up to the 2012 US election, Krishnan Guru-Murthy meets the talk-radio hosts broadcasting to a country more polarised than ever before.

Sahar Zand reports from Mauritania in West Africa, where young girls and women are being force fed up to 10,000 calories a day because, when it comes to marriage, big is deemed beautiful

This is the definitive and fully-authorised documentary of the highs and lows of the UK's most inspired and dissolute independent record label - Creation Records.

Usain Bolt is the fastest man on the planet and a sportsman like no other. But what makes him so much faster than any other man in the history of the human race?

Series in which art historian Professor Richard Clay explores visions of 'utopia' and examines what they reveal about our deepest hopes, dreams and fears.

Richard Clay explores utopian visions for a better world - from radical politics to online communities - and asks if they can inspire real change.

Can utopian visions for living ever reconcile the tension between the group and the individual, the rules and the desire to break free?

Richard Clay asks if utopia is, ultimately, a state of mind. Can we all find our utopia in a perfect moment of transcendence, artistic expression or hedonism?

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.

Documentary on the life and times of Ken Loach. His politics in British TV and Cinema and the chaos he has caused the establishment for 50 years.

As a post impressionist painter and one of the most famous artists of all time, Vincent van Gogh has become an icon. From growing up in Holland and pursuing a life as a pastor, to moving to France and creating an incredible collection of artwork, this programme takes an in-depth look at Van Gogh's life, his work and the impact he has had on our culture. In Dutch

Documentary series charting the evolution of pop from Tin Pan Alley to today's billion-dollar industry.It begins by tracing the roots of pop in the meeting of two cultures: Jewish and African-American.

Marvin Gaye is one of the great and enduring figures of soul music, but his life was one of sexual confusion, bittersweet success and ultimately death by the hand of his own father.

Between the mid 1960s and the late 1970s, the long-playing record and the albums that graced its grooves changed popular music for ever. For the first time, musicians could escape the confines of the three-minute pop single and express themselves as never before across the expanded artistic canvas of the album.