Inc First National Pictures

"Follow Professor Challenger ... as he and a crew of curious explorers embark on an expedition in search of a mythical, prehistoric plateau in South America. Along for the adventure are eminent scientist Summerlee, sportsman Sir John Roxton, journalist Ed Malone and Paula White, whose father disappeared on the same plateau. The party is not there long before the "lost world" of the jungle begins to reveal its secret: a primitive ape-man, a Pterodactyl...