Season 1 Episode 20 1961 , Hosted by Boris Karloff , In a lab mishap, chemist Dr. Frank Cordell is exposed to an experimental gas that causes him to turn into a homicidal maniac when he hears the sound of ringing bells.
Written by: Donald S. Sanford
Directed by: Laszlo Benedek
Starring: Robert Vaughn , Kathleen Crowly , and Marlo Thomas
Original Air Date: March 7, 1961