Season 4

1. The Case of the Hideaway Herd

1953-08-27

2. The Case of the Crooked Thief

1953-09-03

3. The Case of the Greasy Palm

1953-09-10

4. The Case of the Smoking Powder

1953-09-17

5. The Case of the Telltale Heart

1953-09-24

6. The Case of the Adding Machine

1953-10-01

7. The Case of the Old and the Frightened

1953-10-08

8. The Case of the Lonely Bride

1953-10-15

9. The Case of the Prosperous Pauper

1953-10-22

10. The Case of the Deadly Secret

1953-10-29

11. The Case of the Weak and the Strong

1953-11-05

12. The Case of the Endless Lie

1953-11-12

13. The Case of the Double Deal

1953-11-19

14. The Case of the Ready Cash

1953-11-26

15. The Case of the Self-Made Hero

1953-12-03

16. The Case of the Hard Bargain

1953-12-10

17. The Case of the Unlucky Gamble

1953-12-17

18. The Case of the Runaway Boy

1953-12-24

19. Episode 4.19

1953-12-31

20. Episode 4.20

1954-01-07

21. The Case of the Golden Garter

1954-01-14

22. The Case of the Honorable Men

1954-01-21

23. The Case of the Tailor-Made Money

1954-01-28

24. The Case of the Fraudulent Income

1954-02-04

25. The Case of the Forgotten Man

1954-02-11

26. The Case of the Three-Way Split

1954-02-18

27. The Case of the Hush Money

1954-02-25

28. The Case of the Pentagon Payroll

1954-03-04

29. The Case of the Thick Skins

1954-03-11

30. The Case of the Changing Heart

1954-03-18

31. The Case of the Sitting Duck

1954-03-25

32. The Case of the Waiting Diamond

1954-04-01