Back Door Sluts 9

Back Door Sluts 9 is a pornographic movie described as the most "hardcore" porno ever and the "single most vile, twisted, dark piece of porn ever produced." It is said that Backdoor Sluts 9 makes Crotch Capers 3 look like Naughty Nurses 2. It only appears in The Return of the Fellowship of the Ring to the Two Towers. In the episode, Randy accidentaly gets it mixed up with Lord of the Rings and the boys give it to Butters.