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The Search for Intelligent Life on Earth
A revelation of the hidden underground network that is a collaboration of four kingdoms of life, and a true first contact story between humans and beings who communicate in a symbolic language and have maintained a representative democracy for many tens of millions of years.
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Other episodes for this season
![Ladder to the Stars](https://image.tmdb.org/t/p/w300/jcnYz7JH8fFuhuQN80sf2iGiv0i.jpg)
![The Fleeting Grace of the Habitable Zone](https://image.tmdb.org/t/p/w300/q0NVqNp72KIZ73VQbwiIFL9QWAe.jpg)
![Lost City of Life](https://image.tmdb.org/t/p/w300/sL9DCzvuE3dZqh1kfLQy95IpRBL.jpg)
![Vavilov](https://image.tmdb.org/t/p/w300/gBTBCD0sq21k3J9u3FyNcYXI3IR.jpg)
![The Cosmic Connectome](https://image.tmdb.org/t/p/w300/ptYxt428A4umnry9HGjtOEWxe7m.jpg)
![The Man of a Trillion Worlds](https://image.tmdb.org/t/p/w300/iOyeV1kaSqi7jMoneODWkOeAj0b.jpg)
![The Search for Intelligent Life on Earth](https://image.tmdb.org/t/p/w300/cqyfDIiJmtJZEcmzuXrnnszr2lN.jpg)
![The Sacrifice of Cassini](https://image.tmdb.org/t/p/w300/ty3CyOyxJT2HVDINJAweu5rQBWD.jpg)
![Magic Without Lies](https://image.tmdb.org/t/p/w300/biKIWKXhq9pSxrRtYIsMLLWLqZZ.jpg)
![A Tale of Two Atoms](https://image.tmdb.org/t/p/w300/9x8IYjJBqZpQsuOLTsFYmO5olM.jpg)
![Shadows of Forgotten Ancestors](https://image.tmdb.org/t/p/w300/wEx54sMGCkkKCvEpgb7rEwCjYdU.jpg)
![Coming of Age In The Anthropocene](https://image.tmdb.org/t/p/w300/nZQSTs8BjSZcLvHebXwYbkcgnsy.jpg)
![Seven Wonders of The New World](https://image.tmdb.org/t/p/w300/sn7s6DR6Ua1xccXugEIeeY8AdLC.jpg)