In this episode: Unternehmen Barbarossa (Operation Barbarossa) that began on 22 June 1941.As early as 1925, Hitler suggested in Mein Kampf ("My Struggle") that he would invade the Soviet Union, Wehrmacht: Eastern Front Infantry, Marshal Antonesco, Stalingrad under fire and retreat. D-Day Invasion on Normandy. The story of Adolf Hitler (the fourth part #4) is as complex as it is fascinating and this is an intriguing journey of discovery to explore who he was, how it was possible for him to rise to power, his campaign to dominate the world and the aftermath of his actions. With extensive archive footage, see Adolf Hitler at the key points in his military career and follow his progress from supremacy to suicide in a Berlin underground bunker in April 1945.