Night of the Demon is a 1980 American horror film directed by James C. Wasson, written by Jim L. Ball and Mike Williams, and starring Michael Cutt, Joy Allen, Robert Collings, Jodi Lazarus, Richard Fields, Michael Lang, and Melanie Graham. The film centers on an anthropologist who, along with a group of his pupils, embarks on an expedition to prove the existence of Bigfoot in a rural region of Northern California, only to be stalked and systematically slaughtered by the creature.