Chapter 2: The First Frontier
- Runtime
- 54m
- Air Date
- Aired Oct 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.
Chapter 2: The First Frontier
For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive before — and after — two mass extinctions.