PrimeWire

You can now watch the entire National Geographic Explorer: Clash of the Americas movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

It may have been one of the most cataclysmic geologic events of the last 60 million years, which shaped America as we know it today. The narrow, 400-mile-long Isthmus of Panama, once buried below the sea, rose up and connected North and South America. This new land bridge unleashed an astonishing animal encounter: Prehistoric predators and prey each unique to their worlds came face-to-face for the first time.