The Phantom Empire (1987) is a Science Fiction, Horror, Adventure, Fantasy film that follows when a man-eating cave creature appears with a fortune in uncut diamonds around his neck, Dr Chambers' daughter Denae hires adventurers C and C Salvage to find the underground source of the gems. Currently, you can watch The Phantom Empire on Amazon Prime Video, Night Flight Plus, Cultpix, Amazon Prime Video with Ads. Streaming availability may vary by country and platform over time. It has a user rating of 3.7 out of 10 from 24 votes. Fans of science fiction movies may also want to explore similar titles below.