Piranha (1978) is a Horror, Science Fiction, Comedy film that follows when flesh-eating piranhas are accidentally released into a summer resort's rivers, the guests become their next meal. Currently, you can watch Piranha on Amazon Prime Video, fuboTV, Peacock Premium, AMC Plus Apple TV Channel . Streaming availability may vary by country and platform over time. It has a user rating of 6.0 out of 10 from 744 votes. Fans of horror movies may also want to explore similar titles below.