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Quotes
Challenger: Ah, Professor George H. Challenger and his lost world! Have you got your camera, Malone? I think a photo is in order.
Malone: You're quite right, Professor.
[Snaps a picture of Jennifer Holmes.]
Challenger: Reporters!
Trivia
Thanks to the money guzzling Cleopatra, the film company that put it out was forced to cut back their budget for other films like this one. Irwin Allen (director of this B grade epic) was forced to use real reptiles as dinosaurs instead of stop motion. See more...
Other: We all know this is an action movie and some bending of the laws of physics and biology is allowed, but this is pushing it a little. Near the end, to get his gun away, Malone throws a hat-full of diamonds (the hardest natural substance on earth, in case you were wondering) at Gomez's head at a considerable speed. If you throw that many rocks, at that speed, at someone's head, they're dead. If you throw the hardest natural substance in the world at his head, he's deader than dead. However we see him later looking just fine; not woozy, not even really bleeding that much, and certainly not dead.
Plot hole: In the arial shot of the plateau, it's obvious its just a mesa. It's not at all large enough to support such big animals like those dinosaurs, who would have to eat great amounts of food. All small animals would be hunted into extinction, and all of the trees would have been cleared out long ago. Plus, there would be no place for the dinosaurs to hide, so the team should have seen the monsters right away.
Plot hole: When the group arrive on the plateau, they are "visited" by a dinosaur. Challenger states it is a brontosaurus. However, no one in the group ever actually saw the dinosaur. No one came in contact with the dinosaur at all except for the roaring sound (this is verified later in the movie). Summerlee doesn't even believe they were visited by a dinosaur at all! How could Professor Challenger even remotely theorize it was a brontosaurus? Plus, later we see it ourselves, and even I could say it wasn't a brontosaurus (it's low to the ground and is eating another dinosaur).






