A classic horror from 1973, presented as a double feature with Last House on the Left, Don't Look in the Basement (or it's alternate title, The science fiction movie Forgotten) is a low budget horror movie set in an Asylum. The premise (blog post) is interesting, but the twists more than (blog post) obvious. However, does the acting and presentation make up for that?
Source: Don't Look in the Basement Movie Review - Decker Shado