Gappa, the Triphibian Monster (1967) is a Horror, Science Fiction, Action film that follows 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, moma and papa Gappa start smashing Tokyo looking for their kidnapped child. Currently, you can watch Gappa, the Triphibian Monster on FlixFling, IndieFlix, AsianCrush, Midnight Pulp. Streaming availability may vary by country and platform over time. It has a user rating of 5.6 out of 10 from 47 votes. Fans of horror movies may also want to explore similar titles below.