Eons
S01E07 That Time Oxygen Almost Killed Everything
Imagine a time when oxygen nearly extinguished all life on Earth. Three billion years ago, the planet looked completely different, and an excess of oxygen nearly led to catastrophe for every living being. What seemed like a blessing turned into a perilous situation that could have changed the course of life as we know it.
Season 1 Episodes
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The Trouble With Trilobites
When Did the First Flower Bloom?
The Tully Monster & Other Problematic Creatures
Stegosaurs: Tiny Brains & Thagomizers
What Colors Were Dinosaurs?
The Story of Saberteeth
That Time Oxygen Almost Killed Everything
The Biggest Thing That Ever Flew
Dimetrodon: Our Most Unlikely Ancestor
The Extinction That Never Happened
The Strange Case of the Buzzsaw Jaws
The Age of Giant Insects
History's Most Powerful Plants
How Did Dinosaurs Get So Huge?
When The Earth Was Purple
'Living Fossils' Aren't Really a Thing
When Whales Walked
An Illustrated History of Dinosaurs
A Brief History of Geologic Time
The Search for the Earliest Life
The Facts About Dinosaurs & Feathers
The Last Time the Globe Warmed
What Happened to the World's Greatest Ape?
When Giant Fungi Ruled