The latest national and international news, exploring the day's events from a global perspective.

Ben Robinson flies over Hadrian's Wall to reveal a landscape of hundreds of sites of human occupation suggesting the area was richly populated. Show more

Documentary focusing on the intelligence of whales and dolphins. Professor Denise Herzing attempts to find out how close their minds are to those of humans. Show more

Series exploring the politics of music. Suzy Klein investigates how Hitler and Stalin used and abused music for ideological ends. Show more

Series telling the story of the war. American casualties and enemy body counts mount as marines face deadly North Vietnamese ambushes. Show more

Series telling the story of the Vietnam War. North Vietnamese and Viet Cong forces launch surprise attacks on cities and military bases. Show more

Timeshift looks back on nearly two centuries of British firefighting, exploring how major incidents and the evolution of equipment have helped forge the modern fire service. Show more

CS Lewis's biographer AN Wilson goes in search of the man behind Narnia, a highly secretive man whose personal life was marked by the loss of the three women he most loved. Show more

Documentary. Two iconic British buildings - the Wellington Rooms in Liverpool and the Coal Exchange in Cardiff - are threatened with demolition and Nick Broomfield is on the case. Show more

Series exploring the politics of music. Suzy Klein investigates how Hitler and Stalin used and abused music for ideological ends. Show more