Rotten Tomatoes Score:
IMDb Score: 5.5/10
A renegade doctor is shot dead and entombed with his fiendish experiments in the basement of an abandoned wing of a mental hospital. Twenty years later, a mysterious woman is admitted with amnesia, and her arrival is marked by an earthquake, which cracks the seal to the Dead Pit, freeing the evil doctor to continue his work.
Why it's Psychotronic: Late-'80s mad doc horror tale
Year of Release:1989