Slumber Party Massacre III (1990) is a Horror, Comedy film that follows after a hard day of volleyball at the beach, a teen whose parents are away decides to have a slumber party with her girlfriends. Their boyfriends predictably show up to scare them, but a stranger from the beach is also seen lurking around the house. Soon the group begins experiencing an attrition problem. Slumber Party Massacre III is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.0 out of 10 from 112 votes. Fans of horror movies may also want to explore similar titles below.