
“Take an epic journey into a lost world.”
From the first dinosaurs to the last, this epic documentary series examines their 165 million years on Earth and the forces that shaped their evolution.
Browse episodes by season for this series.


2026-03-06
Aired 2026-03-06
A fuzzy little creature that hatches 235 million years ago will spawn a dinosaur dynasty — if it can survive a chaotic climate and carnivorous reptiles.

2026-03-06
Aired 2026-03-06
A fiery mass extinction wipes out a rival, allowing dinosaurs to multiply, grow larger, develop longer necks and fend off foes with body armor.

2026-03-06
Aired 2026-03-06
After a bitter freeze, the Cretaceous era ushers in high sea levels that find pterosaurs flying to islands to feast and dinosaurs hunting in the oceans.

2026-03-06
Aired 2026-03-06
Dinosaurs rule the entire planet, with T. rex as the most deadly. But as the continents split and drift, danger lurks far away in the depths of space.
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