1914: Milo Thatch, grandson of the great Thaddeus Thatch works in the boiler room of a museum. He knows that Atlantis was real, and he can get there if he has the mysterious Shephards journal, which can guide him to Atlantis. But he needs someone to fund a voyage. His employer thinks he's dotty, and refuses to fund any crazy idea. He returns home to his apartment and finds a woman there. She takes him to Preston B. Whitmore, an old friend of his Grandfathers. He gives him the shepherds journal, a submarine and a 5 star crew. They travel through the Atlantic ocean, face a large lobster called the Leviathan, and finally get to Atlantis. But does the Atlantis crew have a lust for discovery, or something else?.
Tab Murphy (screenplay by), Kirk Wise (story by), Gary Trousdale (story by), Joss Whedon (story by), Bryce Zabel (story by), Jackie Zabel (story by), Tab Murphy (story by), David Reynolds (additional screenplay material)