Eons (Season 1)

Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age. The evolutionary history of mammals including humans and other modern species is explored with these amazing paleontology experts.

  • Poster for The Trouble With Trilobites

    The Trouble With Trilobites 0.0

    Air date: 2017-06-26

    Runtime: 10 min

    Overview: Trilobites are famous not just because they were so beautifully functional, or because they happened to preserve so well. They’re known the world over because they were everywhere!

  • Poster for When Did the First Flower Bloom?

    When Did the First Flower Bloom? 0.0

    Air date: 2017-07-03

    Runtime: 10 min

    Overview: During the Cretaceous Period, dinosaurs were more diverse, more fierce, and more strange than ever. But something else was happening under the feet of the terrible lizards: for the first time in history, there were flowers.

  • Poster for The Tully Monster & Other Problematic Creatures

    The Tully Monster & Other Problematic Creatures 0.0

    Air date: 2017-07-11

    Runtime: 10 min

    Overview: There are animals in the fossil record that challenge some of our most basic ideas about what animals are supposed to look like. If there ever was a monster on this planet that was worthy of the name, it might have been the Tully Monster.

  • Poster for Stegosaurs: Tiny Brains & Thagomizers

    Stegosaurs: Tiny Brains & Thagomizers 0.0

    Air date: 2017-07-17

    Runtime: 10 min

    Overview: If you take it as a given that extinct dinosaurs were all weird and wonderful, then you gotta at least consider that Stegosaurus was one of the weirdest and wonderfulest.

  • Poster for What Colors Were Dinosaurs?

    What Colors Were Dinosaurs? 0.0

    Air date: 2017-07-24

    Runtime: 10 min

    Overview: We know a lot about dinosaurs but there’s one question that has plagued paleontologists for decades: what color were they?

  • Poster for The Story of Saberteeth

    The Story of Saberteeth 0.0

    Air date: 2017-07-31

    Runtime: 10 min

    Overview: Smilodon was a fearsome Ice Age cat, the size of a modern-day tiger, that had a pair of fangs nearly 18 centimeters long. But it was only the last and largest of the great sabertooths: ridiculously long canines had already been a trend for millions of years by the time Smilodon was prowling around. And you know what? Those giant teeth just might make a comeback.

  • Poster for That Time Oxygen Almost Killed Everything

    That Time Oxygen Almost Killed Everything 0.0

    Air date: 2017-08-07

    Runtime: 10 min

    Overview: What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you’d never recognize, too much of a good thing almost ruined everything for everybody.

  • Poster for The Biggest Thing That Ever Flew

    The Biggest Thing That Ever Flew 0.0

    Air date: 2017-08-14

    Runtime: 10 min

    Overview: Today, we’re familiar with two types of flying vertebrates -- birds and bats. But over 66 million years ago, there was a giraffe-sized reptile that soared through the sky.

  • Poster for Dimetrodon: Our Most Unlikely Ancestor

    Dimetrodon: Our Most Unlikely Ancestor 0.0

    Air date: 2017-08-21

    Runtime: 10 min

    Overview: With its lizard-like appearance and that distinctive sail on it back, Dimetrodon is practically the mascot of the Palaeozoic Era, a time before flowers, birds, mammals, and even crocodiles. But if you take a close look at this sail-backed animal, you might see a little bit of yourself.

  • Poster for The Extinction That Never Happened

    The Extinction That Never Happened 0.0

    Air date: 2017-08-28

    Runtime: 10 min

    Overview: Natural history is full of living things that were long thought to have gone extinct only to show up again, alive and well. Paleontologists have a word for these kinds of organisms: They call them Lazarus taxa.

  • Poster for The Strange Case of the Buzzsaw Jaws

    The Strange Case of the Buzzsaw Jaws 0.0

    Air date: 2017-09-11

    Runtime: 10 min

    Overview: There are many fossils that challenge our ability to form even the most basic idea of how a living thing looked, or lived, or functioned. One of the longest-running of these mysteries involved a 270-million-year-old sea creature called Helicoprion that once swam the seas around the supercontinent of Pangea.

  • Poster for The Age of Giant Insects

    The Age of Giant Insects 0.0

    Air date: 2017-09-18

    Runtime: 10 min

    Overview: Insects outnumber humans by a lot and we only like to think we're in charge because we're bigger than they are. But insects and other arthropods weren’t always so small. About 315 million years ago during the Carboniferous Period, they were not only abundant: they were enormous.

  • Poster for History's Most Powerful Plants

    History's Most Powerful Plants 0.0

    Air date: 2017-09-26

    Runtime: 10 min

    Overview: Fossil fuels are made from the remains of extinct organisms that have been exposed to millions of years of heat and pressure. But in the case of coal, these organisms consisted largely of some downright bizarre plants that once covered the Earth, from Colorado to China.

  • Poster for How Did Dinosaurs Get So Huge?

    How Did Dinosaurs Get So Huge? 0.0

    Air date: 2017-10-02

    Runtime: 10 min

    Overview: Part of why we’re so fascinated with extinct dinosaurs it’s just hard for us to believe that animals that huge actually existed. And yet, they existed! From the Jurassic to the Cretaceous Periods, creatures as tall as a five-story building were shaking the Earth.

  • Poster for When The Earth Was Purple

    When The Earth Was Purple 0.0

    Air date: 2017-10-09

    Runtime: 10 min

    Overview: Besides the blue of the oceans, the dominant color of our planet, as we know it, is green. But imagine a time when the Earth looked a little … purple.

  • Poster for 'Living Fossils' Aren't Really a Thing

    'Living Fossils' Aren't Really a Thing 0.0

    Air date: 2017-10-16

    Runtime: 10 min

    Overview: Crocodiles, horseshoe crabs and tuatara are animals that have persisted for millions of years, said to have gone unchanged since the days of the dinosaurs. But even the most ancient-looking organisms show us that evolution is always at work.

  • Poster for When Whales Walked

    When Whales Walked 0.0

    Air date: 2017-10-23

    Runtime: 10 min

    Overview: We know whales as graceful giants bound to the sea. But what if we told you there was actually a time when whales could walk.

  • Poster for An Illustrated History of Dinosaurs

    An Illustrated History of Dinosaurs 0.0

    Air date: 2017-10-30

    Runtime: 10 min

    Overview: Our image of dinosaurs has been constantly changing since naturalists started studying them about 350 years ago. Taken together, these pictures can tell us a whole lot about just how much we have learned. Let's explore the history of dinosaur science as seen through the history of dinosaur art.

  • Poster for A Brief History of Geologic Time

    A Brief History of Geologic Time 0.0

    Air date: 2017-11-06

    Runtime: 10 min

    Overview: By looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life’s history. These key events frame the chapters in the story of life on earth and the system we use to bind all these chapters together is the Geologic Time Scale.

  • Poster for The Search for the Earliest Life

    The Search for the Earliest Life 0.0

    Air date: 2017-11-20

    Runtime: 10 min

    Overview: More than 4 billion years ago, the crust of the Earth was still cooling and the oceans were only beginning to form. But in recent years, we’ve started to discover that, even in this hellish environment, life found a way.

  • Poster for The Facts About Dinosaurs & Feathers

    The Facts About Dinosaurs & Feathers 0.0

    Air date: 2017-11-27

    Runtime: 10 min

    Overview: Over the past 20 years, dinosaurs of all types and sizes have been found with some sort of fluff or even full-on plumage. These fuzzy discoveries have raised a whole batch of new questions so we're here to tell you everything we know about dinosaurs and feathers.

  • Poster for The Last Time the Globe Warmed

    The Last Time the Globe Warmed 0.0

    Air date: 2017-12-04

    Runtime: 10 min

    Overview: Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well there was a time -- and not too long ago -- when the world warmed more than any human has ever seen. (So far)

  • Poster for What Happened to the World's Greatest Ape?

    What Happened to the World's Greatest Ape? 0.0

    Air date: 2017-12-11

    Runtime: 10 min

    Overview: Probably twice the size of a modern gorilla, Gigantopithecus is the greatest great-ape that ever was. And for us fellow primates, there are some lessons to be learned in how it lived, and why it disappeared.

  • Poster for When Giant Fungi Ruled

    When Giant Fungi Ruled 0.0

    Air date: 2017-12-18

    Runtime: 10 min

    Overview: 420 million years ago, a giant feasted on the dead, growing slowly into the largest living thing on land. It belonged to an unlikely group of pioneers that ultimately made life on land possible -- the fungi.

Eons

Seasons

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