Planet of the Dinosaurs is a 1978 science fiction film. Set in an unspecified future, the film follows the journey of Captain Lee and his crew after they crash land on an earthlike planet, but millions of years behind in time. Encountering a wide variety of dangerous dinosaurs, the crew decides that its best chance for survival lies on finding higher ground and setting up a defensive perimeter on a higher plateau until their rescuers arrive. They soon encounter a deadly Tyrannosaurus rex and must figure out a way to defeat the creature and survive on the planet.