As President Trump takes office, BBC News teams in Washington and London report on the events that are shaping our world.
Series exploring strange animal behaviour reveals the bizarre ways animals defend themselves, from skunks that do handstands to crabs that dress up. Show more
The world's deserts force animals to come up with ingenious ways of coping with hostile conditions, giving rise to the most incredible survival stories on earth. Show more
Peter Owen-Jones takes us into the heart of the UK's newest national park - the South Downs - in a portrait of one of Britain's most iconic landscapes. Show more
A shocking look at Russian football firms, from the thugs who terrorised Marseille to the next generation preparing for the 2018 World Cup by arranging brutal forest fights. Show more
Indian Hill Railways
Episode 1: The Darjeeling Himalayan Railway
58 minutes on BBC Four HD
Available for 7 months
Entwined with its people, the influence of the Darjeeling Himalayan Railway is changing as a new generation of Gurkhas populates the hills. Show more
What a Performance! Pioneers of Popular Entertainment
Episode 1: Music Hall
58 minutes on BBC Four HD
Frank Skinner and Suzy Klein look at the birth of 19th-century music hall, the colourful world of its entertainers and the audiences whose lives were changed by it. Show more
Stephen Smith uncovers the secret history of the humble fig leaf, opening a window onto 2,000 years of western art and ethics, from Michelangelo, Bernini and Rodin to modern art. Show more
Psychological thriller. A devastated Yvonne confides in a former lover and is plunged from one nightmare into another. Show more
The world's deserts force animals to come up with ingenious ways of coping with hostile conditions, giving rise to the most incredible survival stories on earth. Show more