Season 1

Video thumbnail: Eons How Did Dinosaurs Get So Huge?

Eons

How Did Dinosaurs Get So Huge?

Creatures as tall as a five-story buildings shook the Earth.

How Did Dinosaurs Get So Huge?

Video thumbnail: Eons History's Most Powerful Plants

Eons

History's Most Powerful Plants

Fossil fuels are made from the remains of extinct organisms.

History's Most Powerful Plants

Video thumbnail: Eons The Age of Giant Insects

Eons

The Age of Giant Insects

Insects and other arthropods weren’t always so small.

The Age of Giant Insects

Video thumbnail: Eons The Strange Case of the Buzzsaw Jaws

Eons

The Strange Case of the Buzzsaw Jaws

A 270-million-year-old sea creature called Helicoprion that once swam the seas.

The Strange Case of the Buzzsaw Jaws

Video thumbnail: Eons The Extinction That Never Happened

Eons

The Extinction That Never Happened

Natural history is full of living things that were long thought to have gone extinct only

The Extinction That Never Happened

Video thumbnail: Eons Dimetrodon: Our Most Unlikely Ancestor

Eons

Dimetrodon: Our Most Unlikely Ancestor

Take a close look and you might see a little bit of yourself.

Dimetrodon: Our Most Unlikely Ancestor

Video thumbnail: Eons The Biggest Thing That Ever Flew

Eons

The Biggest Thing That Ever Flew

Today, we’re familiar with two types of flying vertebrates -- birds and bats.

The Biggest Thing That Ever Flew

Video thumbnail: Eons That Time Oxygen Almost Killed Everything

Eons

That Time Oxygen Almost Killed Everything

What if we told you that there was a time when oxygen almost wiped out all life on Earth?

That Time Oxygen Almost Killed Everything

Video thumbnail: Eons The Story of Saberteeth

Eons

The Story of Saberteeth

Smilodon was a fearsome Ice Age cat, the size of a modern-day tiger.

The Story of Saberteeth

Video thumbnail: Eons What Colors Were Dinosaurs?

Eons

What Colors Were Dinosaurs?

We know a lot about dinosaurs but there’s one question that has plagued paleontologists..

What Colors Were Dinosaurs?

Video thumbnail: Eons Stegosaurs: Tiny Brains & Thagomizers

Eons

Stegosaurs: Tiny Brains & Thagomizers

If you take it as a given that extinct dinosaurs were all weird and wonderful, then you go

Stegosaurs: Tiny Brains & Thagomizers

Video thumbnail: Eons The Tully Monster & Other Problematic Creatures

Eons

The Tully Monster & Other Problematic Creatures

There are animals in the fossil record that challenge some of our most basic ideas..

The Tully Monster & Other Problematic Creatures

Video thumbnail: Eons When Did the First Flower Bloom?

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When Did the First Flower Bloom?

During the Cretaceous Period, dinosaurs were more diverse, more fierce, and more strange.

When Did the First Flower Bloom?

Video thumbnail: Eons The Trouble With Trilobites

Eons

The Trouble With Trilobites

Trilobites are famous not just because they were so beautifully functional..

The Trouble With Trilobites

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