September 1944 on Peleliu, Japanese soldiers build an island-wide structure creating a killing zone that lead to the death of thousands of Americans.

Hitler’s final attempt to win the war was a surprise winter attack. What resulted were some of the worst war crimes ever committed against America.

This is the story of Japan's final months in WWII - when America threatened to invade and Japan unleashed a terrifying new weapon, suicide bombers.

Hitler's fight for the skies sees the Reich adopt a policy of 'Total War'. With every man woman and child pushed into producing ever more aircraft and munitions. The result is one of the most effective air defence systems the world has ever seen. One that came very close to destroying the might of the US 8th Army Airforce.

1942, Japan has captured oil rich Burma to secure its growing empire's future. But with its navy decimated at the Battle of Midway it needs a new supply route. The result is a 258 mile railway cut through the toughest terrain known to man. All built using the blood and guts of 200,000 Allied POWs and local laborers. Half of them will die on the tracks or in the terrible camps nearby.

The war was lost long before it ended, but the Nazi propaganda apparatus was designed to keep that truth from its subjects for as long as possible.

Spring 1944 and the Germans know an attack is coming but what they get is a fascinating game of cat and mouse all the way up to 6th June, D-Day.

When allied spies plant false documents on a corpse, they are carrying out one of the most audacious deceptions of World War II. Operation Mincemeat ensures that the allied invasion of Sicily takes the Nazis totally by surprise. With few reinforcements, German troops must now make clever use of the island's rugged landscape to attempt a fighting retreat to the Italian mainland - and safety.

A secret headquarters of concrete and steel is the heart of Hitler’s plans for domination and the key to a Nazi conspiracy - the Wolf’s Lair.

Hitler planned a submarine to outperform all others. The Type 21 was the world's most advanced submarine: Hitler's sea-faring super weapon.

In retaliation for Allied bombing raids, Hitler ordered the development of the V1. The first cruise missile, it changed the face of war forever.

The campaign to breach Hitler's 400 mile-long Siegfried Line took more than six months and cost the American forces 140,000 casualties.

May 1940 and the Nazi war machine reaches the English Channel. Hitler plans to destroy Britain's air power and land troops in southern England.

In 1945 Japanese generals construct a network of defences and tunnels on Okinawa, creating a devastating killing ground for American troops.

From a bold idea through months of preparation, training, innovations and clever ruses, this is the story of Japan’s surprise WWII attack on Hawaii.

June 1944, Japanese fighters are preparing for a battle. But if they lose, a deadly weapon will be aimed at their country for the first time.

This episode describes the immense and impenetrable concrete and steel submarine pens that the Nazis built to protect their precious and deadly U-boats from Allied attacks.

The German air force was the most powerful and largest in Europe at the beginning of World War II, and it played a key part in Hitler's conquests.

This episode relates the development of the first ever space missiles used by the Nazis as destructive wonder-weapons to bomb the Allies into resignation and the rocket engineer who set the groundwork for the moon landing.

In a quest for world domination, the Nazis built some of the biggest, deadliest pieces of military hardware and malevolent technology in history.

The Nazi empire ran on trains, from the personal trains of the leadership to the locomotives and service depots that serviced the network.

Ruins across Europe tell the story of Blitzkrieg, a revolution in warfare which almost gave Hitler the chance to create his Thousand Year Reich.

In the 1930s the Japanese begin designing the Yamato, the world's most powerful battleship, 30 per cent larger than anything their enemies have.

The fortifications the Nazis built in northern Italy were meant to slow the Allied advance. Now the team reconstructs their extent and depth.

After invading Norway in the spring of 1940, Nazi armed forces proceeded to fortify the entire country for war against Britain and the Soviet Union.