Catholic conspirators led by Robert Catesby plotted to blow up Parliament and kill King James I; Guy Fawkes was caught guarding the gunpowder, and an anonymous letter foiled the plan.

In 1609, in the Basque Country, a local dispute turned into accusations of witchcraft. Between the 15th and 17th centuries, up to 60,000 people were condemned. Historians find out what really happened.

Feb 1945: A quarter of all the US Marines who died in WWII were killed in Iwo Jima. The Leathernecks were forced to re-think their tactics, as one in three of them became a casualty.

Ancient history knows few rulers like Constantine the Great. This first episode follows archaeologists on the stages of his life from Naissus to Rome.

Starting in the beerhalls of post-First World War Munich, Adolf Hitler captivated a nation desperate for hope; a movement was sparked that drew a loyal inner circle together driven by ambition, extremism, and blind devotion. This sprawling series unravels how economic turmoil, wounded national pride, and 'charismatic' leadership gave rise to unprecedented brutality shaped by the men and women who stood closest to Hitler; each episode focuses on one Nazi figure and provides insight into their lives. These are the threads that made up Hitler's unleashed nightmare...

Deep sea divers hunt for the wrecks of Hitler's dreaded U-Boat fleet off Ireland's Northwest coast while historians unravel the early stages of WWII's longest campaign.

Divers hunt for the wrecks of WWII's longest campaign that lie off Ireland's Northwest coast as historians explore the Allied fight back at sea and the human cost of war.