A professor fall into a bottomless pit while digging for the lost subterranean world of Atlantis. His daughter, a plucky and pretty teenage girl, heads after him, and fall into the same pit-- winding up in an upside-down world that thinks he's the alien! Soon the chase is on as the professor and his daughter try to make it back to the surface.
IMDb 3,4/1019881 t 23 min 
