Munchies

A scientist discovers a strange little creature in a cave. The "munchie" is obviously of extraterrestrial origin, but what he doesn't know is the danger it represents.

Munchies is a 1987 fantasy horror movie directed by Tina Hirsch, starring Alix Elias, Harvey Korman, Charlie Stratton. It holds an IMDb rating of 3.9/10 from 2,589 votes and runs 1h 23m.