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
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With readings by Hugh Bonneville, animation and contributions from celebrity fans, this film looks at the beloved character of Paddington and tells the story of his unassuming creator Michael Bond. Show more
The story of the thousands of people who design, build and test jet engines at Rolls-Royce's manufacturing plants across the UK, and the astonishing technology behind the engines. Show more
Why are people embarrassed about their bodies? Horizon challenges a group of volunteers' attitudes and reveals that nakedness may hold the key to the success of the human species. Show more
James May takes a rare and privileged flight 70,000 feet above Earth in a U2 spy plane to a place known in the Air Force as the 'space equivalent zone' or the 'edge of space'. Show more
In Search of Medieval Britain
Episode 4: Heartlands
30 minutes
Historian Dr Alixe Bovey recreates journeys through Britain during the Middle Ages. She explores the life of the commoner. Show more
In Search of Medieval Britain
Episode 5: Scotland
30 minutes
Alixe Bovey recreates journeys through medieval Britain. She explores Scotland, a nation so young it still had no capital and where gangsters terrorised its border lands. Show more
James May commemorates the 40th anniversary of the Apollo moon landings by meeting three of the men who walked on the moon, and flying to the edge of space in a U2 spy plane. Show more
Bill Turnbull meets the scientists fitting minute radar transponders on to bees in an attempt to solve the mystery of what is causing them to die. Show more
The Sky at Night
Stephen Hawking on Black Holes
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
How the detection of gravitational waves proves that black holes exist and provides a way to investigate them. Featuring a Stephen Hawking interview. Show more
Dara O Briain and Professor Brian Cox celebrate the night sky. The team take on the challenge to capture one of the top highlights of the solar system - the northern lights. Show more
Dara O Briain and Professor Brian Cox celebrate the night sky. They are joined by astronauts Walt Cunningham and Chris Hadfield at Jodrell Bank Observatory. Show more
Dara O Briain hosts after-show chat with Brian Cox and guests. Featuring Doctor Who's K-9 as quiz master, the team reveals the viewers' most extraordinary astronomy images. Show more
Dara O Briain and Professor Brian Cox celebrate the night sky, revealing the results of their viewers' challenge to find undiscovered galaxies at the edge of space. Show more
David Walliams and Matt Lucas star in a comedy set in an airport. A 'sudden wing malfunction' delays FlyLo passengers on their way to Malaga. Show more
Professor Brian Cox and Dara O Briain complete another long night under the stars down under. Tonight, unprecedented views of Saturn are the big prize. Show more
Join Professor Brian Cox and Dara O Briain live from Australia, as they complete their three-night mission to bring you the most glorious sights of the southern night sky. Show more
Brian Cox and Dara O Briain head to Australia to check out the night sky - packed full of astonishing features like the Southern Cross and a remarkable view of the Milky Way. Show more
With the solar eclipse just hours away, Dara O Briain, Brian Cox and special guest experts are back at Jodrell Bank to answer viewers' questions. Show more
Dara O Briain and Brian Cox are live at Jodrell Bank for a final 30 minutes of Stargazing to answer viewers' questions with the help of special guests. Show more