Watch World War II: Battlefield Europe Season 1 Episode 9 Online
- Subtitles: English
By the spring and summer of 1940, the Hitler-Stalin Pact was under real strain. Go inside the strategic decision-making behind Hitler's decision to break his non-aggression pact with the Soviet Union and to ignite Operation Barbarossa in a grand (and flawed) effort to invade and conquer Stalin's Russia.
