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Season 1 Episode
Ancient Oceans - Season 1 Episode 2 The Devonian
4.00 10 minutes Life 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.
