The Mysterious Traveler featured stories encompassing all themes including fantasy, science fiction and mystery and suspense dramas. Maurice Tarplin narrated each story and began with his signature monologue:
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!
This episode entitled Death Writes A Letter is from 1948.