The Massacre films are three series of slasher films executive-produced by Roger Corman: the Slumber Party Massacre series (1982–1990), the Sorority House Massacre series (1986–1990) and the Cheerleader Massacre series (2003–2011), distributed by New World Pictures and New Concorde. The series also features the standalone film Sharkansas Women's Prison Massacre (2015). All three Slumber Party Massacre films, and the first Sorority House Massacre were given limited theatrical releases, while Sorority House Massacre II and III, and both Cheerleader Massacre films were released direct-to-video.