Uploaded June 2026 | Updated September 2026, 3 weeks ago

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Jeremy Wade wrestles a giant white sturgeon to understand Dunkleosteus. This 20-foot prehistoric juggernaut wore thick bony armour and possessed the most devastating bite in ocean history.

🎣 Episode 'Prehistoric Terror'

River Monsters follows Jeremy Wade travelling around the world in search of the most fearsome freshwater killers.

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