BBC Four HD Tuesday

Documentary profiling people who live in some of the world's most inhospitable locations, including a Zambian fisherman working above the Victoria Falls

Barbara braves the ordeal of public speaking. Comedy, guest starring Robert Lindsay and Angela Thorne

Sir Humphrey is horrified when Jim decides to support the sale of an art gallery to save the football club in his constituency from going under.

Revisiting the African lions that learned to prey on elephants in the drought-ridden Kalahari Desert, and catching up with the pride during the rainy season

Michael Palin travels through Northern Ireland and Ireland, finding out more about his Irish ancestors, experiencing the 'peace train' from Belfast to Dublin, and visiting Cork

The actor looks back at a century-old rail service to St Andrews, where the LNER's publicity department promoted an industrial service alongside familiar holiday resorts. From 1989

A 1983 documentary in which the actor discusses his early interest in acting and comedy, reflecting on his education at the Shrewsbury School and Oxford University

Detailed account of the uprising at New York State's Attica Correctional Facility in 1971, when 29 convicts and 10 hostages were killed as the police battled to regain control

Documentary exploring the changing fortunes of a family of architects, following the rise and fall of George Gilbert Scott, his son George Junior, and grandson Giles

Michael Palin travels through Northern Ireland and Ireland, finding out more about his Irish ancestors, experiencing the 'peace train' from Belfast to Dublin, and visiting Cork

Documentary profiling people who live in some of the world's most inhospitable locations, including a Zambian fisherman working above the Victoria Falls