Katty Kay in Washington and Christian Fraser in London return to report on the events that are shaping the world.
Lord Ashdown tells the story of the Cockleshell Heroes, who took part in one of the most audacious commando raids of World War II - to blow up enemy shipping in Bordeaux harbour. Show more
Historian Peter Barton and a team of archaeologists examine a labyrinth beneath the Somme battlefield constructed largely by British troops to undermine the nearby German lines. Show more
Episode 1: Heart of Oak
1 hour on BBC Four
Dan Snow charts the role the Royal Navy played in Britain's development. How victory over the Armada transformed impoverished England into a powerful seafaring nation. Show more
Documentary about English Egyptologist Flinders Petrie. Ancient Egypt was vandalised by tomb raiders until one Victorian maverick pioneered modern field archaeology. Show more
Spanish thriller series. Giralt is questioning Heredia, who is now implicated in Ana's disappearance, when evidence increases after a body is found dumped near his summer property. Show more