Eons
That Time Oxygen Almost Killed Everything (S01E07)
Imagine a time when oxygen nearly extinguished all life on Earth. Three billion years ago, the planet looked completely different, and an excess of...
S01E07
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Season 1 Episodes
S01E02 - When Did the First Flower Bloom?
Eons
S01E03 - The Tully Monster & Other Problematic Creatures
Eons
S01E04 - Stegosaurs: Tiny Brains & Thagomizers
Eons
S01E05 - What Colors Were Dinosaurs?
Eons
S01E06 - The Story of Saberteeth
Eons
S01E07 - That Time Oxygen Almost Killed Everything
Eons
S01E08 - The Biggest Thing That Ever Flew
Eons
S01E09 - Dimetrodon: Our Most Unlikely Ancestor
Eons
S01E10 - The Extinction That Never Happened
Eons
S01E11 - The Strange Case of the Buzzsaw Jaws
Eons
S01E12 - The Age of Giant Insects
Eons
S01E13 - History's Most Powerful Plants
Eons
S01E14 - How Did Dinosaurs Get So Huge?
Eons
S01E15 - When The Earth Was Purple
Eons
S01E16 - 'Living Fossils' Aren't Really a Thing
Eons
S01E17 - When Whales Walked
Eons
S01E18 - An Illustrated History of Dinosaurs
Eons
S01E19 - A Brief History of Geologic Time
Eons
S01E20 - The Search for the Earliest Life
Eons
S01E21 - The Facts About Dinosaurs & Feathers
Eons
S01E22 - The Last Time the Globe Warmed
Eons
S01E23 - What Happened to the World's Greatest Ape?
Eons