Cosmos: A SpaceTime Odyssey Season 3 Episode 7 - The Search for Intelligent Life on Earth

Airdate: 2020-Mar-30

Episode summary:

A hidden underground network — a collaboration of four kingdoms of life — is revealed. Explore a true first-contact story between humans and beings who communicate with a symbolic language and have maintained a representative democracy for tens of millions of years.

About Cosmos: A SpaceTime Odyssey series:

Cosmos: A Spacetime Odyssey is a 2014 American science documentary television series that is a follow-up to the 1980 television series Cosmos: A Pe...Show more >