BBC Four HD Today

The former steeplejack sets out on an enthusiastic tour of Britain's industrial heritage, exploring the early use of wind and water power and tracing the steam engine's development

Liz McIvor explores how Britain's expanding rail network was the spark to a social revolution, beginning with the introduction of precise railway schedules and timetables

Emma Dabiri and Bendor Grosvenor travel to Glasgow to investigate a long-lost picture of George Villiers, Duke of Buckingham, who was the lover of James VI of Scotland

Robert Robinson oversees another duel of words and wit as Frank Muir, Sue Cook and Bryan Forbes take on Arthur Marshall, Nanette Newman and Paul Eddington

Joseph Cooper invites viewers to match their musical wits against panellists Arianna Stassinopoulos, Richard Baker and David Attenborough. With guest musician Erich Leinsdorf

Part one of two. A profile of the director, actor and writer, from the success of Citizen Kane to his work on Touch of Evil. With contributions by Jeanne Moreau and Charlton Heston

Second of two documentaries profiling the director's life and work. Welles discusses his many unfinished film projects, including The Other Side of the Wind and Don Quixote

The former steeplejack sets out on an enthusiastic tour of Britain's industrial heritage, exploring the early use of wind and water power and tracing the steam engine's development

Liz McIvor explores how Britain's expanding rail network was the spark to a social revolution, beginning with the introduction of precise railway schedules and timetables

Joseph Cooper invites viewers to match their musical wits against panellists Arianna Stassinopoulos, Richard Baker and David Attenborough. With guest musician Erich Leinsdorf

George McGavin studies an oak tree throughout the seasons of the year, investigating its surprisingly sophisticated biology and how it adapts to its changing environment