On 22 June 1941, German tanks rolled into the Soviet Union in an offensive which was to claim the lives of nearly 49 million people. Over 3 million German troops invade Russia in three parallel offensives, in what is the most powerful invasion force in history. Nineteen panzer divisions, 3,000 tanks, 2,500 aircraft, and 7,000 artillery pieces pour across a thousand-mile front as Hitler goes to war on a second front. This episode covers the opening phase of the war, as the forces of Germany focused their eyes on the prize of Moscow, and the destruction of Russia.