Seasons & episodes

S1 · E1Chapter 1: The Rules of Life 2023-10-25 · 43 min＋

Evolution. Competition. Mass extinction. Three fundamental rules have driven the rise and fall of life on Earth for over four billion years.

S1 · E2Chapter 2: The First Frontier 2023-10-25 · 54 min＋

For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive before — and after — two mass extinctions.

S1 · E3Chapter 3: Invaders of the Land 2023-10-25 · 57 min＋

Sprawling moss, towering trees, flying insects, limbed amphibians: Early species vied for domination as the land went from hostile to hospitable.

S1 · E4Chapter 4: In Cold Blood 2023-10-25 · 55 min＋

After Earth's third mass extinction, mammals' surviving ancestors ruled the supercontinent Pangea. But lizards soon ushered in the age of reptiles.

S1 · E5Chapter 5: In the Shadow of Giants 2023-10-25 · 51 min＋

The formation of continents with varied environments allowed for an explosion of biodiversity — and turbo-charged the evolution of mighty dinosaurs.

S1 · E6Chapter 6: Out of the Ashes 2023-10-25 · 53 min＋

The dinosaurs met their end with a cataclysmic asteroid impact. Rising from the ashes, birds reinvented themselves into a dynasty 10,000 species strong.

S1 · E7Chapter 7: Inheriting the Earth 2023-10-25 · 52 min＋

Emerging from the dinosaurs' shadows, mammals went from underdogs to global power, with game-changing adaptations that would conquer land, air and sea.

S1 · E8Chapter 8: Age of Ice and Fire 2023-10-25 · 50 min＋

As the Ice Age thawed, humans rose above the rest. But the possibility of a sixth mass extinction now looms: Has our ingenuity caused our downfall?