Matthew Springford

Arts documentary, first broadcast before Ai Weiwei's arrest by the Chinese authorities in April 2011, and his subsequent release after being detained for 11 weeks. Architect, photographer, curator and blogger, Ai Weiwei is China's most famous and politically outspoken contemporary artist. Alan Yentob explores the story of Ai Weiwei's life and art, and reveals how this most courageous and determined of artists continues to fight for artistic freedom of expression while living under the restrictive shadows of authoritarian rule.

Alan Yentob meets one of Britain's most accomplished and popular sculptors, Anish Kapoor, known for his audacious works of staggering complexity and scale.

Dr James Fox looks at the art and culture of Japan.

Andrew Marr explores the lives and works of the Scottish writers who helped define a national identity over the last three centuries.

Iain Stewart reveals some surprising facts about the world's most destructive and spectacular natural phenomena, from earthquakes and tsunamis to avalanches and volcanoes.

A global portrait of tea and the people whose lives have been shaped by this extraordinary drink.