Season 4 Episode
- Season 2 Dunkirk, resist at all costs
- Season 2 Aral, a sea for cotton
- Season 2 Cuba, nuclear standoff
- Season 2 Constantinople, from an empire to another
- Season 2 Cortés, in the heart of Aztec empire
- Season 2 The Gold Rush, for a fistful of nuggets
- Season 2 Black Death, the invisible enemy
- Season 2 The Fronde
- Season 2 Al Capone, child of prohibition
- Season 2 The Olympic Games, a mirror to society
- Season 2 Gutenberg, visionary inventor
- Season 2 The Suffragettes, battle for the ballot box
- Season 2 The fall of Quebec, France loses America
Butterfly Effect - Season 2 Episode 2 Aral, a sea for cotton
6.90 25 minutes The former Soviet Union collectivized many aspects of agricultural and industrial development in the 1950's. While some efforts were successful others like the cotton-growing around the Aral Sea have proven to be an ecological nightmare.
