Horizon tells the inside story of the search for Malaysia Airlines flight MH370, with access to the key players on the frontline in the southern Indian Ocean. Show more

Horizon meets Dr Mary Schweitzer, who may have found traces of DNA within the fossilised bones of a Tyrannosaurus rex - a discovery that could revolutionise our understanding of these beasts. Show more

Peter and Dan Snow on the battles that shaped our nation, starting almost 2,000 years ago with the revolt of the Iceni, led by Queen Boudicca, against Roman rule. Show more

A closer look at the cats who stood out in the experiment conducted in The Secret Life of the Cat, where 50 felines were fitted with GPS collars to track their every movement. Show more

Horizon discovers what your cat really gets up to as 50 cats from a village in Surrey are tagged with GPS collars and their every movement is recorded. Show more

Series exploring topical scientific issues. To celebrate its 50th birthday, Horizon invites the public to play a role in tackling the greatest challenges facing science today. Show more

Dr Helen Czerski looks at volcanoes. New thermal imagery and ultra high-speed photography capture the complex processes crucial to understanding how and why they erupt. Show more

Dr Helen Czerski examines the hottest natural phenomenon on the planet - lightning. High-speed cameras show the secrets of upward lightning that's triggered by urban landscapes. Show more

Dr Helen Czerski peers into the heart of the storm to find out how advances in technology are giving new insight into tornadoes - the fastest winds on the planet. Show more

The latest scientific insights into icebergs, from side-scanning sonar scrutinising the edge of glaciers to pictures that give us a unique glimpse of how they transform over time. Show more

Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. Show more

Dr Helen Czerski looks at the latest scientific insight into the aurora - dancing lights in the night sky that have fascinated cultures throughout our history. Show more

Professor Robert Winston and professor Tanya Byron discover how teenagers' changing brains means that what they choose to do at 16 can shape their lives forever. Show more

Professor Robert Winston and Professor Tanya Byron follow teens through their GCSE year to discover how our teenagers are being shaped by these unique times. Show more

Inspirational film revealing how 11 teenagers and young adults deal with cancer diagnosis and treatment. These moving stories share a sense of hope and teenage bloody-mindedness. Show more

Horizon explores the boom in health-related apps and gadgets, as well as how technology is helping medical professionals monitor fitness and health in unprecedented ways. Show more

Series in which Paul Rose explores Britain's finest museums. This edition features the Museum of Science and Industry in Manchester. Show more

Series exploring topical scientific issues. A look at how new planets being discovered are forcing scientists to rewrite the history of our own solar system. Show more

Geologist Prof Iain Stewart shows how the continent of Africa was formed from the wreckage of a long lost supercontinent. Show more

Iain Stewart explores how the Earth's continents have transformed evolution. He shows how Australia's journey has affected everything from Aboriginal history to mining Show more