Back Door Sluts 9 is a pornographic film appearing as the focus of the Season Six episode, "The Return of the Fellowship of the Ring to the Two Towers".
However, Randy has also rented the porno Back Door Sluts 9, which he soon realizes . this episode as #15 on their list of all time favorite South Park episodes.
Backdoor Sluts 9 makes Crotch Capers 3 look like Naughty Nurses 2!!!.
The boys' parents discuss how dirty the porn movie is. From Season 06 Episode 13, The Return of the Fellowship of the Ring to the Two Towers.