Daily from 7.00pm.
Programmes start at 7.00pm.
Michael Portillo strikes west across Manitoba into the province of Saskatchewan. Michael discovers how a middle-class British boy transformed himself into an influential indigenous naturalist. Show more
A compilation of Nicola Benedetti's performances at the BBC. Since winning BBC Young Musician in 2005, Nicola Benedetti has become one of the country’s leading classical soloists. Show more
Violinist Nicola Benedetti reveals the influences and experiences that have led her to become one of the world’s greatest classical musicians.
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
A special 'Question Time' edition, with an expert panel answering questions from viewers on all things astronomical.
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Until very recently the whole idea of the multiverse was dismissed as fantasy. Horizon asks whether multiple universes exist and, if so, which one we are actually in. Show more
The Secret Life of the Motorway
Episode 1: Falling in Love
59 minutes on BBC Four HD
Available for years
Documentary series celebrating Britain's motorways. This first part includes interviews with the engineers and builders who designed and created the first motorway. Show more
Francesco da Mosto travels the length and breadth of Italy. He discovers why Rome is the Eternal City and goes head to head with Mussolini, then on to Naples. Show more
Michael Portillo strikes west across Manitoba into the province of Saskatchewan. Michael discovers how a middle-class British boy transformed himself into an influential indigenous naturalist. Show more
Dr James Fox takes a journey through six different landscapes across Britain, meeting artists whose work explores our relationship to the natural world. Show more
Programmes start at 7.00pm.