TV Guide BBC Four Tuesday

In central Thailand's forests, fertile plains and even its city streets, nature finds a way of living alongside people, and spirituality can be found in human and animal relationships, both likely and unlikely. This bustling region is known as the nation's rice bowl - but even here, there are magical places to be found. Narrated by Sophie Okonedo

MI5 reveals its former head was a double agent who worked as a Russian spy. To make matters worse, he had been investigated and given security clearance by Sir Humphrey. Classic satire, starring Paul Eddington and Nigel Hawthorne

Jim tries to improve employment figures by moving military units around the country. Political comedy, starring Paul Eddington, Nigel Hawthorne and Derek Fowlds

Ben Macintyre brings his best-selling book to the small screen, revealing the true story of five of the double agents who helped to make D-Day such a success. As well as being a victory of arms and a tactical coup, the event was also a triumph for espionage, deceit and thinking of the most elaborate kind

Peter Watkins' acclaimed 1964 fact-based drama reconstructs the Battle of Culloden, the final clash between the French-supported Jacobites and the Hanoverian British Government, as if modern TV cameras were present to interview participants. George McBean and Alan Pope star

The cast and crew of acclaimed 1964 fact-based drama Culloden discuss the making of the film. Director Peter Watkins reveals how his career was brought to an end when follow-up film The War Game was banned, and shares his thoughts on the state of British television. Introduced by Kirsty Wark

Presenters Dick Strawbridge and Professor Alice Roberts explore the British landscapes that inspired children's author Arthur Ransome to write his famous series Swallows and Amazons. Strawbridge uses vintage boats to investigate three iconic waterlands - the Lake District, the Norfolk broads, and the Suffolk coastline - while Roberts takes a look at the shore lines