With the lonely whistle of a train in the background, The Mysterious Traveler would begin his weekly introduction: "This is The Mysterious Traveler, inviting you to join me on another journey into the strange and terrifying. I hope you will enjoy the trip, that it will thrill you a little and chill you a little. So settle back, get a good grip on your nerves and be comfortable -- if you can!"
The episode linked below first aired on October 7, 1944. In a crumbling mansion deep in a Louisiana bayou, Professor John Hanson has perfect Formula 397 -- a powerful insecticide. Unfortunately for the professor, the insects are not happy about his success.