Premise: Prom Night IV: Deliver Us from Evil is a 1992 Canadian slasher horror film directed by Clay Borris and starring Nicole de Boer and J.H. Wyman. The film follows a deranged Catholic priest who begins murdering teenagers on their prom night. It is the fourth and final film in the "Prom Night" franchise. Like the previous , it was released briefly in theaters before later being released to video.
Hypothesis: At least one half of all the movies included in the "Prom Night" film franchise were released in theaters before later being released to video.