Dr. Paul Carruthers feels bitter at being betrayed by his employers, Heath and Morton, when they became rich as a result of a product he devised. He gains revenge by electrically enlarging bats and sending them out to kill his … Bela Lugosi, Suzanne Kaaren, Dave O'Brien, Guy Usher, Yolande Donlan, Donald Kerr, Edmund Mortimer Added on Amazon Prime 2023-03-29.

A group of delinquents on their way to summer camp get stuck in a haunted house. Bela Lugosi, Leo Gorcey, Bobby Jordan, Huntz Hall, Dorothy Short, Sunshine Sammy Morrison, Dave O'Brien Added on Amazon Prime 2023-07-17.