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Explore who would win in a battle of prehistoric titans; dive deep into the showdown between Megalodon and Mosasaurus.

What If: Prehistoric

Megolodon vs. Mosasaurus

Journey back to Earth's earliest days, when oceans ruled and land as we know it had yet to emerge.

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What if some prehistoric creatures still roamed the Earth? Meet the ancient animals that have survived through time, from alligators to coelacanths, and uncover their fascinating stories.

S1 E5 | Megolodon vs. Mosasaurus