The Bat People is a 1974 American horror film directed by Jerry Jameson, written and produced by Lou Shaw, and distributed by American International Pictures. Starring Stewart Moss and Marianne McAndrew, the film tells the story of a doctor, who after being bitten by a bat in a cave, undergoes an accelerating transformation into a man-bat creature. The Bat People is also known by two alternative titles: It Lives By Night and It's Alive. The film was lampooned in a 1999 episode of Mystery Science Theater 3000.