Arthur Conan Doyle

"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...

Sherlock Homes comes to the aid of a young prince accused of murder and uncovers a plot to destroy Western civilization.