How many movies have Charles Band and Robin Stille collaborated on?

They have worked on 2 movies together! Their first movie together was Sorority Babes in the Slimeball Bowl-O-Rama (1988) while their highest rated movie together was Sorority Babes in the Slimeball Bowl-O-Rama 2 (2022). They have not worked together since Sorority Babes in the Slimeball Bowl-O-Rama 2 (2022).