S1·E2 Chapter 2: The First Frontier
Aired October 25, 2023
Synopsis
For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive before — and after — two mass extinctions.
Aired October 25, 2023
For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive before — and after — two mass extinctions.