Sex and the Single Vampire (1970)

Count Spatula's house is invaded by a group of swingers wanting to have sex in a haunted house. This one is available in two different version: an uncut hardcore version running around an hour and a softcore 27-minute reduced cut which is contained as an extra on the Dracula (The Dirty Old Man) / Guess What Happened to Count Dracula? DVD distributed by Something Weird.