Humanoids from Atlantis (1992)

Plot

Filmmaker Ken Adams is excited to embark on his inaugural documentary project centered around a mysterious local lake, backed by newfound funding. However, as he and his partner Julie dive into their research, they unwittingly cross paths with the final inhabitant of the legendary underwater city of Atlantis. Their journey quickly transforms from a simple exploration into a thrilling encounter with ancient secrets and unexpected dangers lurking beneath the surface. The duo must navigate this extraordinary situation, blending ambition with the allure of a lost civilization.