Prehistoric Sharks
- Episode aired Aug 9, 1998
- TV-G
- 44m
A menacing predator the size of a Greyhound bus roamed Earth's ancient oceans making meals of whales. This "megatooth" is believed to weigh 20 times more than a large great white today.A menacing predator the size of a Greyhound bus roamed Earth's ancient oceans making meals of whales. This "megatooth" is believed to weigh 20 times more than a large great white today.A menacing predator the size of a Greyhound bus roamed Earth's ancient oceans making meals of whales. This "megatooth" is believed to weigh 20 times more than a large great white today.