When did Eons Season 3 Episode 5 air?
Eons Season 3 Episode 5 aired on February 13, 2019.


Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age. The evolutionary history of mammals including humans and other modern species is explored with these amazing paleontology experts.
In order to understand where hearts came from, we have to go back to the earliest common ancestor of everything that has a heart. It took hundreds of millions of years, and countless different iterations of the same basic structure to lead to the heart that you have today.
Direct answers for episode-level questions and details.
Eons Season 3 Episode 5 aired on February 13, 2019.
This episode runs for approximately 10 minutes.
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