In the 1990s the Showtime cable network began airing all-new Roger Corman remakes of his past exploitation cheapies like WASP WOMAN (1959) and NOT OF THIS EARTH (1957). Some were better and others, but in any case the ever-resourceful Corman managed to make money off the same material
twice, which, for PIRANHA, is where inspiration evidently ended.
To hunt a missing hiker, investigator Maggie MacNamara (Alexandra Paul) teams with environmental lawyer Paul Grogan (William Katt), resident of the mountain area where the boy disappeared. They search a seemingly-abandoned government research site in the hills, and Maggie incautiously drains a
large pool, figuring th...