BBC Four HD

Mayuyama restores a magnificent Chinese vase bearing a mysterious inscription.

The story of how Britain's phone network was built. Incredibly, there was once a time when phones weren't pocket-sized wireless devices, but bulky objects wired into homes and workplaces. Over the course of 100 years, engineers rolled out a communications network that joined up...

This is the story of the men who built the canals, the navigators or `navvies'. They represented an `army' of hard physical men who were capable of enduring tough labour for long hours. Many roved the countryside looking for work and a better deal. They gained a reputation as...

Anne has grown into a real beauty. She is dazzling, and the king is caught in the glare. Her family play the long game to catch a king.

Paul Rose has as adrenaline overdose on his way to Coniston, beginning with entering a retro cycling event on a penny farthing before joining the mountain bikers of Grizedale Forest. Paul also relives the final moments of Donald Campbell in his attempt to break the world water...

Dr Helen Czerski examines the extraordinary messages sound waves carry, and how they help us understand the world around us. Visiting a hidden location buried beneath the hills of Scotland, Helen experiences some of the most extreme acoustics in the world. She discovers how...

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.