Science series. People like to think they are in control of their lives - of what they feel and think. But scientists are now discovering this is often simply an illusion. Show more

Professor Iain Stewart examines the powerful geological forces that unleashed the devastating Japanese earthquake, bringing Japan to the brink of a nuclear meltdown. Show more

Nature documentary. Joining up with a team of elite Italian cavers, Steve ventures deep within a tepui, inside a newly discovered cave. Show more

Horizon follows the astronomers pushing the limits of science and engineering with a new generation of supertelescopes in the hunt for mysterious objects in the universe. Show more

Series exploring topical scientific issues. Horizon meets the scientists working to make fatal car crashes a thing of the past and looks at the most advanced car crash tests. Show more

Nature documentary. Adventurer Steve Backshall embarks on a dramatic expedition to explore Venezuela's tepuis - ancient, sheer-sided mountains cut off from the jungle below. Show more

Documentary about Angkor in Cambodia, once the biggest city on earth. Archaeologists use a new technology called lidar to unlock its secrets. Show more