Scary Underwater Beast Detected (Season 1) | The Proof Is Out There | History

Transcript

planet is ocean, and yet, less than 5% of that area has been explored. That's why what you're about to hear has become one of the great mysteries of the deep. It began in 1991, when a deep water hydrophone like this first detected a sound emanating from 5,000 miles away, someplace in the Pacific Ocean, roughly halfway between Australia and South Am... Read More