Quick Plot Summary: Released in 1940, The Devil Bat is a Horror, Science Fiction, Crime film directed by Jean Yarbrough, written by John T. Neville. The narrative crafts an atmosphere of dread and suspense, using psychological terror and visual scares. As part of the The Devil Bat Collection, it provides a scannable look at the movie's central conflict involving Bela Lugosi as Dr. Paul Carruthers.