Neil Oliver continues his tour of Britain's past with the arrival of metals and how they ushered in a new age of social mobility, international trade and village life. Show more

Dr James Fox takes a journey through six different landscapes across Britain, meeting artists whose work explores our relationship to the natural world. Show more

Sam Willis travels west to Central Asia, a place of major innovations, big historical characters and a people - the Sogdians - whose role was pivotal to the Silk Road's success. Show more

To mark a transit of Mercury, an attempt to explain its mysteries. Surface temperatures exceed 450 degrees, yet it has patches of ice. Show more

Reworking of Shakespeare's King Lear set in 16th-century Japan. An ageing warlord announces his intention to retire and split his kingdom up among his three sons. Show more

George McGavin investigates the dramatic life of the oak tree - a species that makes extraordinary transformations as it meets the challenges of the four seasons. Show more

Sam Willis travels west to Central Asia, a place of major innovations, big historical characters and a people - the Sogdians - whose role was pivotal to the Silk Road's success. Show more