BEHIND THE GREEN DOOR, 1972

Behind the Green Door is a 1972 American feature-length pornographic film, widely considered one of the genre's "classic" pictures and one of the films that ushered in The Golden Age of Porn (1969–1984). Featuring Marilyn Chambers, who became a mainstream celebrity, it was one of the first hardcore films widely released in the United States and the first feature-length film directed by the Mitchell brothers…