BBC Four Tuesday

Evolutionary biologist Ben Garrod explores how vertebrates capture and devour their food, looking at examples of jaws, teeth and bones that help them eat

Richard Holmes recalls the events of Operation Goodwood, the British armoured break-out from the bridgehead in Normandy in 1944

Tom and Barbara enjoy celebrity status when a journalist writes a story about their way of life. Comedy, starring Felicity Kendal and Richard Briers

A departmental construction project gets under way, but Sir Humphrey is being evasive

The historian recounts the inspiration behind Vincent van Gogh's Wheat Field with Crows, a work that saw the artist hailed as a visionary genius only weeks before he killed himself

The true story of Tomoaki Hamatsu, who spent 15 months in a small room, naked, starving and alone, unaware he was being broadcast to millions of people on TV

Part one of two. Two ordinary men embark on a dangerous 10-year mission to penetrate the world's most secretive and brutal dictatorship - North Korea

Evolutionary biologist Ben Garrod explores how vertebrates capture and devour their food, looking at examples of jaws, teeth and bones that help them eat

Richard Holmes recalls the events of Operation Goodwood, the British armoured break-out from the bridgehead in Normandy in 1944

Keeley Hawes narrates the story of how a mathematician and an engineer unravelled the secrets of Adolf Hitler's personal code machine - reputedly more secure than the Enigma device

The historian recounts the inspiration behind Vincent van Gogh's Wheat Field with Crows, a work that saw the artist hailed as a visionary genius only weeks before he killed himself