Episode titles: 1. The Code Letter (1916) 2. The Missing Heiress (1916) 3. The Pencil Clue (1916) 4. The Man from Yukon (1916) 5. The Rogue's Pawn (1916) 6. The House of Three Deuces (1916) 7. The Wizard's Plot (1916) 8. The Trunk Mystery (1916) 9. The Menace (1916) 10. The Tiger's Claw (1916) 11. A Mission of State (1916) 12. The House of Secrets (1917) 13. The Trail of Graft (1917) 14. The Black Circle (1917) 15. The Violet Ray (1917) 16. The Net of Intrigue (1917) 17. The Trap (1917) 18. Winged Diamonds (1917) 19. The Screened Vault (1917) 20. The Mirror of Fear (1917) 21. The Veiled Thunderbolt (1917) 22. In the Web of the Spider (1917) 23. The Missing Financier (1917) 24. The Secret of the Borgias (1917) 25. The Vanishing Bishop (1917) 26. Mystery of Room 422 (1917) 27. A Deal in Bonds (1917) 28. The Man with the Limp (1917) 29. Sign of the Scarf (1917)