How many movies have Charles Band and Michael Sonye collaborated on?

They have worked on 5 movies together! Their first movie together was Sorority Babes in the Slimeball Bowl-O-Rama (1988) while their highest rated movie together was The Dead Hate the Living! (2000). They have not worked together since Psycho Sideshow: Demon Freaks (2018). They are most known for their horror films together.