Emily Graslie embarks on a journey through billions of years of Earth’s history. Along the way, she meets some of the planet’s earliest lifeforms – from primitive bacteria to giant reptiles, and many surprising creatures in between.
Emily Graslie cruises into the Cretaceous, where astonishing creatures like T. rex dominated the planet. But what happened to these tremendous animals?
As she drives closer to the present day, Emily Graslie discovers surprising truths written in the fossil record. Meanwhile, the scientists studying our planet’s past are revealing clues about its future.
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