The Library of Congress has an incomplete edition with footage from three episodes. The Serial Squadron has digitally restored the film using existing footage, and incorporating still photos taken during filming, in accordance with the original script.
CHAPTER TITLES: 1. The Road to Yesterday; 2. Poisoned Flowers; 3. The Mystic Mirrors; 4. The Wheel of Spirit; 5. The Fumes of Fear; 6. The Hypnotic Clue; 7. The Mystery Mind; 8. The Neither; 9. The Invisible Destroyer; 10. Levitation; 11. The Fire-Elemental; 12. Elixir of Youth; 13. Witchcraft; 14. Suspended Animation; 15. The Thought Monster.
Famous magician and escape artist Harry Houdini, was not a consultant on this movie. Hereward Carrington, author of such books as "Your Psychic Powers and How to Develop Them", was the consultant. Carrington supplied costume and set illustrations, as well as props such as pentagrams. Carrington had knowledge of photographic techniques used to create "spirit photographs". In the 1920s Carrington and Houdini were rivals in an investigation of purported psychic phenomena sponsored by "Scientific American" magazine. Carrington believed in psychic phenomena, Houdini did not.
A novelization of the same name was published serially in newspapers while the film was playing in theaters. It was written by screenwriter and author Eustace Hale Ball.
Elsie Baker's debut.