Season 2

Video thumbnail: Eons When Giant Deer Roamed Eurasia

Eons

When Giant Deer Roamed Eurasia

Megaloceros was one of the largest members of the deer family ever to walk the Earth.

When Giant Deer Roamed Eurasia

Video thumbnail: Eons When the Synapsids Struck Back

Eons

When the Synapsids Struck Back

Our world is the way it is because of the time when the synapsids struck back.

When the Synapsids Struck Back

Video thumbnail: Eons How Volcanoes Froze the Earth...Twice

Eons

How Volcanoes Froze the Earth...Twice

How Volcanoes Froze the Earth...Twice

How Volcanoes Froze the Earth...Twice

Video thumbnail: Eons When We Met Other Human Species

Eons

When We Met Other Human Species

We all belong to the only group of hominins on the planet today. But we weren’t alone.

When We Met Other Human Species

Video thumbnail: Eons How Evolution Works (And How We Figured It Out)

Eons

How Evolution Works (And How We Figured It Out)

We’ll try to explain how evolution actually works and how we came to understand it.

How Evolution Works (And How We Figured It Out)

Video thumbnail: Eons The Hellacious Lives of the "Hell Pigs"

Eons

The Hellacious Lives of the "Hell Pigs"

There is some evolutionary method to the anatomical madness that is the "hell pig."

The Hellacious Lives of the "Hell Pigs"

Video thumbnail: Eons The History of Climate Cycles (and the Woolly Rhino)

Eons

The History of Climate Cycles (and the Woolly Rhino)

The History of Climate Cycles (and the Woolly Rhino) Explain

The History of Climate Cycles (and the Woolly Rhino)

Video thumbnail: Eons The Ghostly Origins of the Big Cats

Eons

The Ghostly Origins of the Big Cats

Scientists have recently discovered a major clue about the origins of the big cats.

The Ghostly Origins of the Big Cats

Video thumbnail: Eons When We Took Over the World

Eons

When We Took Over the World

When We Took Over the World

When We Took Over the World

Video thumbnail: Eons When We Tamed Fire

Eons

When We Tamed Fire

The ability to make and use fire has fundamentally changed the arc of our evolution.

When We Tamed Fire

Video thumbnail: Eons When Giant Scorpions Swarmed the Seas

Eons

When Giant Scorpions Swarmed the Seas

Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes.

When Giant Scorpions Swarmed the Seas

Video thumbnail: Eons When We First Made Tools

Eons

When We First Made Tools

When We First Made Tools

When We First Made Tools

Video thumbnail: Eons The Island of Huge Hamsters and Giant Owls

Eons

The Island of Huge Hamsters and Giant Owls

The Island of Huge Hamsters and Giant Owls

The Island of Huge Hamsters and Giant Owls

Video thumbnail: Eons The Humans That Lived Before Us

Eons

The Humans That Lived Before Us

The Humans That Lived Before Us

The Humans That Lived Before Us

Video thumbnail: Eons How Blood Evolved (Many Times)

Eons

How Blood Evolved (Many Times)

How Blood Evolved (Many Times)

How Blood Evolved (Many Times)

Video thumbnail: Eons When Humans Were Prey

Eons

When Humans Were Prey

Not too long ago, our early human ancestors were under threat of attack from predators.

When Humans Were Prey

Video thumbnail: Eons Why Megalodon (Definitely) Went Extinct

Eons

Why Megalodon (Definitely) Went Extinct

What happened to the largest shark in history?

Why Megalodon (Definitely) Went Extinct

Video thumbnail: Eons When Apes Conquered Europe

Eons

When Apes Conquered Europe

Today, apes live only in Africa and Asia but this wasn't always the case.

When Apes Conquered Europe

Video thumbnail: Eons How Sloths Went From the Seas to the Trees

Eons

How Sloths Went From the Seas to the Trees

The story of sloths is one of astounding ecological variability.

How Sloths Went From the Seas to the Trees