The war in Europe is transformed when Hitler unleashes Operation Barbarossa on the 22nd of June 1941; the Nazi invasion of the Soviet Union has begun.

Japanese troops occupy southern Vietnam and Cambodia, but the day that changes the war comes on December 7th when Japanese aircraft attack the American Pacific Fleet at anchor in Pearl Harbor.

Japan's escalation of the War in the East is devastatingly effective; despite their success, it is possible to see their inevitable defeat as they have roused the military might of the USA.

The war turns in favour of the Allies; Montgomery turns the tables on the Afrika Corps at El Alamein, the Japanese are defeated at Guadalcanal, and the Germans are defeated at Stalingrad.

By 5:00pm on the 2nd of May, 1945, the last guns stopped firing among the ruins of Berlin as the iconic image of the Soviet Red Flag rising above the Reichstag symbolised an irreversible change.

Japan stood at a crossroads after the Hiroshima and Nagasaki bombings; on the 14th of August, 1945, Emperor Hirohito retreated to his office bunker to record a message announcing Japan's surrender.

What is a tank? From the early concepts to the first tank prototype, we examine how the battlefields of WWI set the scene for the mechanised warfare of WWII.

WWII has begun; new tank strategies take the world by storm and completely change the way wars are fought. As war engulfs Europe, each country learns to adapt to mechanised warfare in its own way.

Erwin Rommel earned fame for his tactical brilliance, while walking a tightrope between duty and personal ambition under Hitler's rule. As the tides turned, he's pulled into a plot against the Führer.

Filmmaker Leni Riefenstahl created propaganda that helped mythologise Hitler and seduce a nation into extremism. After the fall of the Third Reich, she spent a lifetime denying responsibility.

Geli Raubal and Eva Braun, two women brought into Hitler's private life. One met a tragic end during his rise to power, the other followed him to a deadly finale.

The driving force behind Germany's attempt to breed a master race, we learn how Heinrich Himmler orchestrated the genocide of millions.

We look into the twisted mind of Josef Goebbels, Hitler's minister of propaganda who orchestrated the brainwashing of Germany that paved the way for the Holocaust.

Retracing the story of Hermann Goering, we learn how a revered fighter pilot of the First World War could emerge as a psychopathic war criminal in World War II.

We go on the trail of Adolf Eichmann, the notorious Nazi bureaucrat who escaped justice for 15 years until his trial made the Holocaust a household name.

The architectural mastermind of the Third Reich, Albert Speer escaped the noose at the end of the Second World War; is there a monstrous truth behind Speer's carefully crafted lies?

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.

Julius Caesar was stabbed 23 times by senators; this episode explores murdered royals, including Danish King Erik IV, Pharaoh Ramesses III, and Persian King Darius III, all betrayed by near-allies.

Gladiator Spartacus led 70,000 slaves in rebellion against Rome in 73 B.C.E. / B.C., ending with 6,000 crucifixions; philosopher Hypatia was murdered in 415 C.E. / A.D. during religious conflict.

Joseph Goebbels is a spokesman, seducer and propagandist driven by hatred, ambition, and the desire to be immortal.

Hermann Göring presents himself as a hero and bon vivant, but behind the façade lies a power-mad architect of Nazi terror.

Rudolf Hess is Hitler's most loyal henchman obsessed with loyalty, power, and a mysterious plan to change everything.

Air supremacy has been key to winning a war since the dawn of aerial warfare; from the Sopwith Camel biplane to the F22 Raptor, we identify and rank the most influential aircrafts in history.

20th-century battles have changed the course of history; the Battle of the Somme saw over 60,000 casualties on the first day alone and D-Day marked the beginning of Hitler's ultimate defeat.