Watch Monster From a Prehistoric Planet

An expedition in the South Pacific lands on a tropical island where the natives worship the mysterious deity Gappa. An earthquake opens up an underground cavern and a baby reptile is discovered inside. The natives warn the foreigners to leave the hatching alone, but they don't listen and take it back to a zoo in Japan. Soon after, mama and papa Gappa start smashing Tokyo looking for their kidnapped child.

Monster From a Prehistoric Planet is a 1967 horror movie with a runtime of 1 hour and 30 minutes. It has received mostly poor reviews from critics and viewers, who have given it an IMDb score of 4.4.