Katty Kay in Washington and Christian Fraser in London return to report on the events that are shaping the world.
John Sergeant learns how Arthur Ransome came to perfect a new, more authentic kind of children's literature that featured real children doing real things in real places. Show more
Sheila Hancock, a fan of watercolours since her childhood, journeys from the Alps and the city of Venice to deepest India, tracing the extraordinary story of the art form. Show more
Documentary. Iolo Williams travels over a thousand miles with a specialist dive team looking for signs of hope the Great Barrier Reef can survive the threat of global warming. Show more
Jeremy Paxman traces the story of the British Empire. He continues by examining how traders, conquerors and settlers spread the British way of doing things. Show more
Jimmy Carr takes over Horizon for a one-off special to try to get to the bottom of what laughter is, why we enjoy it so much and what, if anything, it has to do with comedy. Show more
Going behind the scenes at British Airways. Operations manager Kevin McKenzie reveals how BA manages the challenges of operating out of the world's most congested airport. Show more
Dallas Campbell and Ellie Harrison reveal the greatest treasures we have ever created. Dallas dives on a shipwreck where gold, silver and emeralds were found. Show more
Sheila Hancock, a fan of watercolours since her childhood, journeys from the Alps and the city of Venice to deepest India, tracing the extraordinary story of the art form. Show more
Documentary. Iolo Williams travels over a thousand miles with a specialist dive team looking for signs of hope the Great Barrier Reef can survive the threat of global warming. Show more
