1. Alfred of Wessex
King Alfred the Great fights a desperate guerrilla war in the marshes of Somerset.
Available for 26 days
1. City of the Sacred
Simon Sebag Montefiore investigates how the Romans worshipped and sacrificed to the gods.
Legendary director Julien Temple's time-travelling voyage to the heart of his hometown.
Available for 29 days
David Reynolds asks why Britain spent much of the war fighting in north Africa and Italy.
Available for 24 days
1. Frank Brent
Frank Brent, an NCO with the Australian Imperial Force, fought at Gallipoli....
2. Katie Morter
Katie Morter, a civilian in Manchester, recalls a letter that broke her heart....
3. Henry Williamson
Henry Williamson, a Private with the London Rifles, recalls the Christmas Truce of 1914....
4. Cecil Arthur Lewis
Cecil Arthur Lewis, a fighter pilot with the Royal Flying Corps, recalls WW1 dogfights....
5. Stefan Westmann
Stefan Westmann, a German Infantry Division Corporal, describes the act of killing....
Frank Brent, an NCO with the Australian Imperial Force, fought at Gallipoli.
Available for over a year
Katie Morter, a civilian in Manchester, recalls a letter that broke her heart.
Henry Williamson, a Private with the London Rifles, recalls the Christmas Truce of 1914.
A bus journey in real time through the iconic landscape of the Yorkshire Dales.
Available until Wed 10pm
Celebrating the 50th birthday of the Severn Bridge.
Available for 22 days
Series 3: Episode 8
Geri and Kevin's dream home proves to be a nightmare, as costs spiral out of control.
Available for 28 days
Series 2: 1. Miniature Britain
A Lilliputian odyssey through all things titchy - from model trains to pint-sized cows.
The Living Mountain: A Cairngorms Journey
The story of Nan Shepherd and her book, The Living Mountain.
Available for 27 days
Ian Hislop uncovers the story behind the book which launched the Scout movement.
Available for 25 days
Series 14: 4. Battle for the Himalayas: The Fight to Film Everest...
How film-makers turned the conquest of Himalayan peaks into great propaganda.
6. The Death of Ancient Egypt
Dan discovers the truth about those responsible for the collapse of the civilisation.
Available for 18 days
Series 4: 3. Against the Odds: Out Skerries, Whalsay and Papa Stour...
Paul Murton explores Papa Stour, Whalsay and the Out Skerries.
3. Robert E Lee
The story of the Robert E Lee, one of the most famous blockade-running paddle steamers.
Documentary charting the planning and realisation of Edinburgh's New Town.
Series 1: 4. British Factories
Danny Baker ponders the British factory - the products, the people and the bosses.
Rory Stewart tells the story of how Britain was torn in two, into England and Scotland.
Available for 21 days
2015-2016: 1. Himmler: The Decent One
Film exposing a unique access to the life and mind of SS commander Heinrich Himmler.
Available until Sat 12:30am