Random Trivia For This Title:
- While filming one of the stop-motion scenes, the cameraman spotted a pair of pliers in the picture. So as not to draw attention to them by having them suddenly disappear, he moved them a little at a time until they were out of the shot.
- When the explorers return to London, there is a shot of the London Pavilion with a flashing sign advertising a showing of The Sea Hawk, a movie in which two of the film's stars, Wallace Beery and Lloyd Hughes, had also appeared.
- Arthur Conan Doyle attended the movie with his family. He liked it.
- Was the first in-flight movie, having been shown on an Imperial Airways flight in a converted Handley-Page bomber from London, UK, to Paris, France, in April 1925.
- This was the first full-length feature film to utilize stop-motion animation in the creation of its creatures.
- The dinosaurs' appearances were modeled after the illustrations by artist [?] Charles R. Knight.
- The strange, spiky Triceratops-like dinosaur was based on [?] Charles R. Knight's famous painting of Agathaumas. Nowadays, scientists argue that such a dinosaur even existed. The painting itself was based on very fragmentary fossil remains, thus many features of the animal were purely speculative guesses.