"Satan's Slaves" is a 1976 Indonesian horror film directed by T. F. Sitorus. The story revolves around a family that becomes entangled with a cult practicing dark magic and witchcraft. The film explores themes of possession and the supernatural, showcasing the family's struggle against malevolent forces. The movie is notable for its low-budget production and has gained a cult following over the years. It is often discussed in the context of Indonesian cinema and the horror genre, reflecting the cultural beliefs and fears surrounding witchcraft in Indonesia.