The latest national and international news, exploring the day's events from a global perspective.
Michael Portillo samples 19th-century foodie delicacies, explores a landscape shot to fame by rails and royals, and risks life and limb for the gift of the gab. Show more
In the Lake District, filmmaker Richard Macer follows the story of entrepreneur Mark Weir's attempts to build a giant zip-wire ride from the top of a mountain. Show more
Series using personal stories and archive footage to reveal the secret history of the British grammar school system, whose aim was to give the best education to talented children. Show more
After Dirk and Macduff are charged with protecting a valuable humanoid robot, things go wrong when the robot is stolen and they find themselves the prime suspects in a murder case. Show more
Documentary series which unearths lost civilisations and cities. This edition visits northern Peru to find the ruins of 250 mysterious pyramids. Show more
In the Lake District, filmmaker Richard Macer follows the story of entrepreneur Mark Weir's attempts to build a giant zip-wire ride from the top of a mountain. Show more
War at Sea: Scotland's Story
Episode 1: The Dreadnoughts of Scapa Flow
59 minutes on BBC Four HD
Available for years
First of a two-part documentary in which David Hayman uncovers the story of the battle for control of the North Sea during the First World War. Show more
After Dirk and Macduff are charged with protecting a valuable humanoid robot, things go wrong when the robot is stolen and they find themselves the prime suspects in a murder case. Show more
Series using personal stories and archive footage to reveal the secret history of the British grammar school system, whose aim was to give the best education to talented children. Show more