10 minSeason 1 • Episode 2
LatestLife in the sea rebounded with a vengeance in the Devonian. Dozens of monstrous predators emerged, like the 40-foot long Dunkleosteus. Nearly everything was wiped out in Earth’s second mass extinction. But the stage was set for an explosion of life on land.
In this prequel to Ancient Earth, travel back in time to the first two of the most powerful extinction periods in history.
US
