Astonishing sea creatures defy explanation. Ancient cultures worship fish like gods. Underwater lifeforms display mysterious behaviour. Ancient Aliens s12e5: They Came from the Sea, History 2017
That the immortal jellyfish and perhaps other bizarre creatures of the deep are not native to this planet but arrived here from space. ibid.
Sightings of Unidentified Flying Objects in our skies have been reported for decades. But chilling new evidence suggests a new phenomenon is emerging – from beneath the seas. Strange craft captured on film from the USS Trepang, and the Swedish Channel incident. Shocking encounters with unidentified submersible objects known as Ghost Rockets. And humanoid entities in Russia’s Lake Baikal. UFOs: The Lost Evidence s1e2: Deep Sea Encounters, Discovery 2017
Why are they here? And why are they underwater? ibid.
Most of these reports remain stubbornly classified. ibid.
Researchers believe the Baltic Sea anomaly is indeed an alien underwater spacecraft. ibid.
1991 when a deepwater hydrophone like this first detected a sound emanating from 5,000 miles away, some place in the Pacific Ocean roughly halfway between Australia and South America. The Proof is Out There s1e3, History 2022
Massive structures lost beneath the waves for thousands of years. Sunken continents that were home to advanced civilisations. And a remote mountain lake filled with gold treasure. The UnXplained with William Shatner s3e10: What Lies Below
We only know a fraction of what lies beneath the waves. ibid.