When did Cosmos Season 2 Episode 4 air?
Cosmos Season 2 Episode 4 aired on March 16, 2020.


An epic adventure in time, space and life.
Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientific concepts of the laws of gravity and the origins of space and time.

In the first half of the 20th century pioneering geneticist Nikolai Vavilov traveled 5 continents assembling a treasury of the worlds seeds. He dreamed that science could be the means to end hunger. His refusal to tell a scientific lie cost him his life. The heroism of his colleagues and its direct impact on your life is one of the most stirring stories in the history of science.
Direct answers for episode-level questions and details.
Cosmos Season 2 Episode 4 aired on March 16, 2020.
This episode runs for approximately 43 minutes.
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