This episode examines various cults around the world that have committed horrific acts and suggests that some may have been influenced by aliens with a sinister agenda. Examined are groups who claimed to receive messages from ETs such as the suicidal Heaven's Gate and the Order of the Solar Temple; the Movement for the Restoration of the Ten Commandments of God whose leader murdered 750 followers; the human sacrifice murders of Adolfo Constanzo who claimed worship of the "trickster god" Eshu; the mass-murderous Thuggee cult of India; the Christian Circumcellions suicide-sect; Aztec human sacrifice rituals, and the theory that humans were hard-wired through genetic manipulation to worship alien beings as gods.