Warlords of Atlantis

Seeking the lost planet of Atlantis, Prof. Aitken, his son Charles and Greg Collinson are obscured by the team of their trip’s ship, brought by the mythical antiques of Atlantis. The diving bell handicapped, a heavy sea creature strikes the ship. They’re all hauled to the ground of the ocean where they match the people of the continent, a sophisticated alien race which produces sailors their allies.