A schoolteacher and amateur sleuth suspects foul play when a fellow passenger on a seaplane gets sick and dies. The third and final film with Edna May Oliver and James…

After a long journey, Philip arrives at the Usher mansion seeking his loved one, Madeline. Upon arriving, however, he discovers that Madeline and her brother Roderick Usher have been afflicted…

The Office of Scientific Investigations tracks down the source of increased magnetism and radioactivity in Los Angeles, and discovers that a man-made isotope is consuming available energy from nearby mass…

A computer expert tries to prove his electronic brain can replace a television network’s research staff.