The original film adaptation of Sir Arthur Conan Doyle’s classic novel. No one in London believes what Professor Challenger says — that there is a place where dinosaurs still roam the earth. To prove he is right, he leads a party into an uncharted part of the Amazon where they do, in fact, find dinosaurs. The group then decides to capture a brontosaurus and bring it back to London. Once in the city, however, the dinosaur escapes and wreaks havoc.