Espionage and intelligence were crucial during WWII; clever camouflage, the Enigma machine, and concealable weapons were as important as any tank, ship, aircraft or bomb.

Britain and France declare war when Hitler invades Poland; in May 1940, the Germans attack Holland and Belgium as a decoy. As the Wehrmacht and Luftwaffe strike in force, the French seem trapped.

1940: France has fallen and Hitler orders Operation Sealion - the invasion of Great Britain - to commence, but first the Luftwaffe must defeat the RAF for seaborne landings to succeed.

Thousands of people were dosed with LSD by the CIA; did the CIA murder its own people, poison a whole French town, experiment on New Yorkers and assassinate Bobby Kennedy?

June 1944 - American, British and Canadian troops stormed the Normandy beaches along a 50-mile stretch. We look at the amphibious tanks and the heavy kit that weighed them down as they waded ashore.

June 1944: the British and Canadians are still short of the objective they planned to capture on D-Day: the city of Caen. This episode tells the story of the bloody fighting for the city.

July 1944: American forces plan a major offensive named Operation Cobra. They would attack near St Lo, achieve a breakthrough, then unleash General Patton and the US Third Army to exploit the opening.

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...

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...

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...

World War II was a battle for supremacy at sea more than any other conflict before or since; in this episode, we explore how the secret weapons of naval warfare changed the tides of history.

WWII facilitated the use of technology to wreak destruction from afar; through success and failure, the bomb was and remains a weapon that can tip the balance in favour of those who wield its power.

Espionage and intelligence were crucial during WWII; clever camouflage, the Enigma machine, and concealable weapons were as important as any tank, ship, aircraft or bomb.

During WWII, countries all over the world leverage their industrial might to perfect the art of tank manufacturing; will quality or quantity matter more when it comes to armoured warfare?

The tank became the key to victory during WWII; Germany unveils its latest evolution of the German panzer, the Panther, but is it ready for battle, and is it enough to overcome the Soviet T-34?

We tell the story of one of the first large battles in Manhattan at Kip's Bay as this newly formed army struggled to fight the world's largest empire.

As men marched off to war, a number of women made their case to be heard and included. We tell the story of Abigail Adams, the feminist wife of John Adams, who wrote a series of radical letters.

The final episode examines how the final years of the Revolution shaped Britain and the global balance of power as the United States entered the game of empires.

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.

Occupants in Ukraine, Belarus and Poland took the brunt of Hitler's forces' cruelty. Extermination became industrialised with the creation of the first concentration camps.

The Red Army developed strength and Hitler's Spring Offensive was stopped at Stalingrad. In the largest ghetto, the inhabitants revolted and fought back in the Warsaw Uprising.

The tank became the key to victory during WWII; Germany unveils its latest evolution of the German panzer, the Panther, but is it ready for battle, and is it enough to overcome the Soviet T-34?

Tanks continued to evolve and older tanks found a new life on the Pacific battlefront; with the end of WWII in Europe in sight, anything went in the peak of experimentation of tank design.