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When the Earth Had Supermountains

Supermountains are so ridiculously enormous that, as far as we know, they’ve only ever formed twice, far back in deep time, and they lasted for just a small fraction of our planet’s history. And both of the times when Earth had supermountains seem to coincide with some of the most profound evolutionary shifts in the history of life.
Season 8 Episode 15 Length 09:34 Premiere: 04/14/26

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Specials

Season 8 Episodes

When the Earth Had Supermountains
S8 E15 Length 09:34 Premiere Date 04/14/26

Does The World's Most Famous Dinosaur Have The Wrong Name?
S8 E14 Length 12:32 Premiere Date 03/31/26

Did Ancient Storms Kill These Pterosaurs?
S8 E13 Length 10:05 Premiere Date 03/17/26

Sensitive Teeth? Blame This Fish
S8 E12 Length 11:08 Premiere Date 03/03/26

The Fiery Rise of Flowering Plants
S8 E11 Length 10:45 Premiere Date 02/10/26

When Ancient Weeds Fooled Us
S8 E10 Length 11:37 Premiere Date 01/27/26

How Brawn Led to Brains
S8 E9 Length 12:14 Premiere Date 01/13/26

When a Tiny Land Bridge Triggered an Ice Age
S8 E8 Length 10:27 Premiere Date 12/17/25

What Was Greenland Like When it Was Green
S8 E7 Length 09:07 Premiere Date 12/02/25

How Chewing May Have Beat Extinction
S8 E6 Length 09:35 Premiere Date 11/18/25

How We Figured Out an Asteroid Killed the Dinosaurs
S8 E5 Length 10:43 Premiere Date 11/04/25

Crawling Out Of The Water Was An Evolutionary Accident
S8 E4 Length 08:19 Premiere Date 10/21/25

Do Chins Make Us Human?
S8 E3 Length 12:07 Premiere Date 10/07/25

The Golden Age of Sharks
S8 E2 Length 12:40 Premiere Date 09/23/25

That Time Earth was Sticky
S8 E1 Length 10:45 Premiere Date 09/09/25

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