BBC Four TV guide

Secrets of Size: Atoms to SupergalaxiesIn this mind-bending series, Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies… 23:20until 00:20 Secrets of SkinFeaturing groundbreaking new science, experiments and leading scientists from a variety of disciplines, the series unravels the natural history o… 00:20until 00:50 Weatherman WalkingWeatherman Derek Brockway laces up his boots and heads outdoors for a seasonal tour of Wales's best walks 00:50until 01:20 The NormansThe Normans is a British television documentary series first aired on BBC Two in 2010. Over three episodes, it sees Professor Robert Bartlett's j… 01:20until 02:20 Secrets of Size: Atoms to SupergalaxiesIn this mind-bending series, Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies… 02:20until 03:20 Secrets of SkinFeaturing groundbreaking new science, experiments and leading scientists from a variety of disciplines, the series unravels the natural history o… 19:00until 19:30 Weatherman WalkingWeatherman Derek Brockway laces up his boots and heads outdoors for a seasonal tour of Wales's best walks 19:30until 20:00 What Are UFOs?For decades, UFOs have intrigued the world, but many scientists avoided studying them. In the United States, after highly publicised sightings of… 20:00until 20:50 Building SightsPersonal reflections on the best of 20th Century architecture. 20:50until 21:00 Television's Opening Night: How the Box Was BornTV presenter Dallas Campbell, engineer Professor Danielle George and engineer Dr Hugh Hunt re-create the opening of the BBC's television service … 21:00until 22:30 The Fools on the HillThis is a dramatisation of the events surrounding the opening night of British television on November 2, 1936 at Alexandra Place in London. It wa… 22:30until 23:45 Television Comes to LondonIn this film, specially taken for the BBC, viewers are given an idea of the growth of the television installation at Alexandra Palace and an insi… 23:45until 00:05