Nightmare Sisters (1987, USA) C-83m. ** D: David DeCoteau. Starring Linnea Quigley, Brinke Stevens, Michelle Bauer, Timothy Kauffman, Matthew Phelps. Horror comedy about three nerds who are invited to a party by equally nerdish trio of college girls. After a séance, the women turn into sex-hungry, deadly monsters. Trash movie is so bad it's funny - really! Direction is atrocious. Also known as SORORITY SUCCUBUS SISTERS.