Sorority Babes in the Dance A Thon of Death 1991 Four sorority sisters conjure up a demon from hell from within an ancient crystal ball However, one of the sisters is changed into a rampaging ghoul bent on raising hell through partying Only two elderly antique dealers can rescue the gals and sex wanting frat boys from certain doom, but not until theyve taken their ghoulfest to the discotheque and turned it into the dance a thon of death