Season 4 Episodes
1. Forged Plates
September 30th, 1954
2. International Diamond Smugglers
October 7th, 1954
3. The Boxing Game
October 14th, 1954
4. The Confidence Game
October 21st, 1954
5. The Empty Room
October 28th, 1954
6. The Third Partner
November 4th, 1954
7. International Robbery
November 11th, 1954
8. The Stamp Collector
November 18th, 1954
9. The Jewel Thief
November 25th, 1954
10. The Poisoned Teacup
December 2nd, 1954
11. The Playful Prince
December 9th, 1954
12. Bullfighter's Woman
December 16th, 1954
13. The State Secrets
December 23rd, 1954
14. The Speed Demons
December 30th, 1954
15. The Spy Ring
January 6th, 1955
16. Appointment at Five
January 12th, 1955
17. The Wayward Brother
January 20th, 1955
18. The Missing Schoolteacher
January 27th, 1955
19. Blind Man's Bluff
February 3rd, 1955
20. The Mad Gunman
February 10th, 1955
21. The Diamond Allergy
February 17th, 1955
22. A Game of Chance
February 24th, 1955
23. The Pearl Necklace
March 3rd, 1955
24. Two Men From Zurich
March 10th, 1955
25. The Broken Wishbone
March 17th, 1955
26. The Concert Pianist
March 24th, 1955
27. The Secret Plane
March 31st, 1955
28. The Boy in the Park
April 7th, 1955
29. Revenge
April 14th, 1955
30. The Diplomat
April 21st, 1955
31. Little Romeo
April 28th, 1955
32. Full Circle
May 5th, 1955
33. Big Brother
May 14th, 1955
34. Miss Fortune
May 21st, 1955
35. The Reluctant Killer
June 2nd, 1955
36. The Beauty
June 9th, 1955
37. First Blush
June 16th, 1955
38. Runaround
June 23rd, 1955
39. Delores
June 30th, 1955
