Daily from 7.00pm.
Programmes start at 7.00pm.
The latest news, exploring the day's events from a global perspective.
Iolo Williams explores Snowdonia. He starts his journey during spring in Nant Ffrancon in the Ogwen Valley and discovers a relic of a past landscape in Bird Rock. Show more
Dan Snow and his team continue down the Grand Canyon in antique wooden boats as they rediscover one of the Wild West's great adventures.
Sir David Attenborough narrates a documentary about the bioluminescent creatures inhabiting the pitch-black environments of California's Monterey Bay. Show more
Nature documentary series looks at marine invertebrates, some of the planet's most bizarre and beautiful animals, including Humboldt squid and giant octopuses. Show more
Documentary maker Richard Macer sets off on a road trip with his dyslexic son Arthur to find out if dyslexia could be a gift. Show more
How the Celts Saved Britain
Episode 1: A New Civilisation
58 minutes on BBC Four HD
Available for years
Dan Snow reveals how the Irish saved Britain from cultural oblivion in the Dark Ages. He examines the demise of civilisation in Britain after the Romans left. Show more
Gabriel Byrne explores the life, works and passions of playwright George Bernard Shaw, arguably the most relevant thinker, artist and literary genius Ireland ever produced. Show more
Andrew Graham-Dixon explores Spain's art history. He reveals how the north of the country has produced some of the most dazzling art of the modern age. Show more
DJ and broadcaster Rita Ray travels to Mali to find out how the country's traditional way of life and rich musical culture have endured through a ban on music in some areas. Show more
Programmes start at 7.00pm.