David Dimbleby encounters the grace and elegance of the Georgian terraces of Bath and Bristol, the magnificent country houses of Blenheim and the gardens of Stourhead. He discovers where the seeds of the Industrial Revolution were sown, in the canals and locks of the West Country and the tin mines of Cornwall. He also travels across Wales to Thomas Telford's Menai Bridge and to Ireland to tell the story of Georgian Dublin

From the ultra clean environment of a microchip factory to the railway engineer who lifted a city to install sewers, innovation expert Steven Johnson traces the surprising journey from dirty to clean in our lives. He discovers the unsung heroes of this transformation, like the doctor who secretly experimented with a deadly chemical to treat the water supply, and the storekeeper who revolutionised cleanliness in the home.

For at least 100,000 years, humans have known how to make fire. But the skill to make cold is a very modern technique. Innovation expert Steven Johnson traces the unsung heroes of cold, like the doctor who was desperate to beat fever and created a refrigerator, the rookie heating engineer who discovered how to cool our homes and set off a mass migration to the desert, and the young man who cut ice from a lake and transported it thousands of miles.

It was only a few centuries ago that the best source of light came from burning oil scooped out of a whale's head. Innovation expert Steven Johnson discovers the unsung heroes of invention in the surprising journey from the candle to the neon lights of Las Vegas and the world of lasers.

The ability to transport our voices over long distances has been one of the greatest transformations in how we live our lives.

From submariners who live on an 18-hour day to the railway clerk who fought to standardise time zones, and the cobbler who invented the first cheap watch, innovation expert Steven Johnson discovers the surprising journey of time in our lives. He locates the unsung heroes whose ideas transformed our world of time from the sundial to clocks accurate to billionths of a second.

A five-part series presented by best-selling author Steven Johnson (Where Good Ideas Come From, Everything Bad Is Good for You), investigating the little-known stories of revolutionary innovations.

Beginning in Ethiopia, Professor Brian Cox discovers how the universe played a key role in our ascent from apeman to spaceman by driving the expansion of our brains. But big brains alone did not get us to space.

Brian Cox reveals how the wonderful complexity of nature and human life is simply the consequence of chance events constrained by the laws of physics that govern our universe. But this leads him to a deeper question - why does our universe seem to have been set up with just the right rules to create us?

Professor Brian Cox explores our origins, place and destiny in the universe. We all start our lives thinking that we are at the centre of the universe, surrounded by our family and the world as it spins around us. But the urge to explore is strong.

What is our future/destiny?

Professor Brian Cox explores the most precious, most wonderful thing in the universe, us.

James Hunt has never been equalled. Could swashbuckling Hunt catch the scientific Lauda? Could Niki overcome an appalling crash to come back from the dead and fight James all the way to the last race of the season?

Captivating documentary profiling Jamaican sprinter Usain Bolt, the fastest man in history and one of the greatest Olympians of all time. The film follows Bolt as he prepares to go for gold at the 2016 Rio Olympics. Competing in the 100m and 200m races, he attempts to make history by winning these events for a record third time.

The demand for energy has risen relentlessly over the last 150 years in line with industrial development and population growth.

Documentary portrait of the trail-blazing activist, poet and writer Maya Angelou. Born in 1928, she enthused generations with her bold and inspirational championing of the African-American experience that pushed boundaries and redefined the way people think about race and culture.

A powerful documentary portrait of legendary British war photographer and photojournalist Don McCullin. Told through a series of searingly honest and often graphic interviews, McCullin recounts a life lived in the theatre of war.

As Brazil prepares to host the Fifa World Cup this summer and the Olympic Games in 2016, imagine... explores the cultural and social history of the city of Rio de Janeiro, home to more than six million Carioca.

A look at how the capital of Germany has evolved since the collapse of the Berlin Wall.

Historian Dr Alixe Bovey recreates journeys through Britain as it was in the Middle Ages. She follows the trail north from York to the contested Scottish border

The legend of King Arthur and the Knights of the Round Table is explored, with stops in Ireland, Scotland and Wales.

The Greek myth of Jason and the Golden Fleece is one of the oldest myths of a hero's quest. It is a classic story of betrayal and vengeance and like many Greek myths has a tragic ending.

The definitive story of going to the moon, told by those who went. Between 1969 and 1972 an elite group of men achieved an incredible dream. They were, and remain, the only human beings to set foot on a planet other than our own.

For millions, the election of Barack Obama marked a new era of hope. This four-part series tells the story of how he tried to reshape America as told by his inner circle - and the president himself.

With exclusive interviews from president Obama and his White House team, episode two tells the story of Obama's greatest legacy: healthcare.

Episode three explores how Barack Obama set out to end George Bush's wars in the Middle East and reset relations with the rest of the world. In Cairo he speaks to the Arab world, calling democracy a human right.

The last instalment of this definitive account of Obama's presidency tells how Obama got re-elected for a second term and tried to tackle America's most intractable social problems - guns, immigration and race.

In 1932, the Nazi party obtained more votes than any other, with forty percent of all Germans choosing to vote for Hitler as their leader. Germany was crippled by losing the First World War and as Lawrence Rees' interviews reveal, economic chaos led many to seek a strong and extreme solution to their problems