BBC Four HD

The father and son undertake the restoration of a ceramic horse from the Edo period. A previous restoration is now showing signs of age, and a new approach is needed to give the horse back its stallion stance.

The team investigates the science and engineering helping the UK blast into space. While Chris visits a rocket company near Glasgow, Maggie is given a preview of Britain's National Satellite Testing Facility.

Thomas Boleyn, the patriarch of the Boleyns, is determined to elevate the family name. His ambitions for his three children will take them to the heart of the Tudor court.

Fred Dibnah takes his series on the building of Britain to his home turf, Lancashire, so he can wax lyrical over the roots of the nation's canal network. He visits Worsley to see where it all began and, in his own back garden, demonstrates the early canal-building process. Fred...

Explorer Paul Rose digs out his rucksack and heads for Windermere. The National Park attracts 18 million visitors each year, and is now a World Heritage Site. Paul joins the crowds and finds out why the early tourists thought the Lakes was one of the most dangerous spots in the...

Helen begins by exploring the simplest of ideas: what is a sound? At the Palace of Westminster, Helen teams up with scientists from the University of Leicester to investigate how Big Ben's distinctive sound is created.

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