Episode 1
Chapter 1: The Rules of Life
Evolution. Competition. Mass extinction. Three fundamental rules have driven the rise and fall of life on Eart...
Episode 2
Chapter 2: The First Frontier
For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive b...
Episode 3
Chapter 3: Invaders of the Land
Sprawling moss, towering trees, flying insects, limbed amphibians: Early species vied for domination as the la...
Episode 4
Chapter 4: In Cold Blood
After Earth's third mass extinction, mammals' surviving ancestors ruled the supercontinent Pangea. But lizards...
Episode 5
Chapter 5: In the Shadow of Giants
The formation of continents with varied environments allowed for an explosion of biodiversity — and turbo-char...
Episode 6
Chapter 6: Out of the Ashes
The dinosaurs met their end with a cataclysmic asteroid impact. Rising from the ashes, birds reinvented themse...
Episode 7
Chapter 7: Inheriting the Earth
Emerging from the dinosaurs' shadows, mammals went from underdogs to global power, with game-changing adaptati...
Episode 8
Chapter 8: Age of Ice and Fire
As the Ice Age thawed, humans rose above the rest. But the possibility of a sixth mass extinction now looms: H...