Episode titles: 1. Hidden Power 2. The Mutilated Hand 3. The Poisonous Tarantula 4. Plot of a Demon 5. The Haunted House 6. The Torture Chamber 7. Drops of Blood 8. The Time-Clock Bomb 9. The Crystal Globe 10. A Message from the Sky 11. The Half-Breed's Hatred 12. Aeroplane Accident 13. The Spy and the Submarine 14. Interrupted Nuptials 15. The Pay of Death 16. The Final Strand