Madhouse (1981) is a Horror film that follows a woman is pursued by her murderous, psychopathic twin sister in the days leading up to their birthday. Currently, you can watch Madhouse on Night Flight Plus, ARROW, Amazon Video, Apple TV Store. Streaming availability may vary by country and platform over time. It has a user rating of 5.6 out of 10 from 70 votes. Fans of horror movies may also want to explore similar titles below.