When did History 101 Season 1 Episode 4 air?
History 101 Season 1 Episode 4 aired on May 22, 2020.


Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Plastics have transformed how we live, but progress comes at a high price: 7.8 billion tons of waste. Are plastics a miracle or a catastrophe?
Direct answers for episode-level questions and details.
History 101 Season 1 Episode 4 aired on May 22, 2020.
This episode runs for approximately 21 minutes.
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