BBC Four HD Film exploring the extraordinary impact of escapologist Harry Houdini in the early 20th century. Featuring restored archive footage and interviews with historians and illusionists. 2026-04-22 Nuclear physicist Jim Al-Khalili uncovers the story of the Sellafield nuclear facility. 2026-04-22 Programmes start at 7.00pm. 2026-04-22 2026-04-22 2026-04-22 2026-04-22 Programmes start at 7.00pm. 2026-04-22 Coverage of day 5 of the World Snooker Championship at the Crucible Theatre, Sheffield. 2026-04-22 Tensions mount as jealousy, lust and shame combine to test the five flatmates. Contains some strong language and some scenes of a sexual nature. 2026-04-22 The life of the most glamorous plane ever built, as told by the people whose lives she touched. Narrated by Sophie Okonedo. 2026-04-22 A look at how an international team of scientists is trying to change people's perceptions of sharks. However, their breakthroughs come at a time when many sharks face extinction. 2026-04-22 Horizon follows an international team of volcanologists in Iceland as they draw fascinating parallels between the volcanoes on Earth and those elsewhere in the solar system. 2026-04-22 The life of the most glamorous plane ever built, as told by the people whose lives she touched. Narrated by Sophie Okonedo. 2026-04-23 Programmes start at 7.00pm. 2026-04-23 2026-04-23 2026-04-23 2026-04-23 Programmes start at 7.00pm. 2026-04-23 Coverage of day 6 of the World Snooker Championship at the Crucible Theatre, Sheffield. 2026-04-23 A puritan police sergeant arrives on a Scottish island in search of a missing girl, who the Pagan locals claim never existed. Contains some sexual content and disturbing scenes. 2026-04-23 Documentary about cult British horror film The Wicker Man. Featuring actors Christopher Lee, Edward Woodward and Ingrid Pitt and director Robin Hardy. Deals with adult themes. 2026-04-23