Season 4

1. Duchess

2. Heiress (1)

3. Heiress (2)

4. The Top of the Tower

5. A Venomous Condemnation

6. A Young Punk

7. Women!

8. Danny's Schemes

9. Speechless with Rage

10. Tomorrow Morning and Then Forever

11. Homicide (1)

12. Homicide (2)

13. The Vilest, Creepingest, Crawlingest Creature

14. Physical and Psychological Evidence

15. Bill and Lenore's Broken Engagement

16. An Unscrupulous Man

17. Temperamental Inclination

18. With Consummate Dignity

19. The Misty Mid-Regions of the Human Mind and Heart

20. The Police's Main Suspect

21. Playing Dumb

22. For Propriety's Sake

23. Sam: The Needle in the Haystack

24. No Public Proclamations

25. Murder Two

26. Missy's Arrest

27. Impersonal, Deadly Procedure

28. The Galloping Willies

29. Rachel Comes Home

30. Dancing a Minuet

31. A Normal Hope

32. An Important Clue

33. The Dark Days

34. Pat and Michael

35. Flo's Suspicion

36. Murder or Memory

37. John's Operation

38. A Real Slyboots

39. The Investigation

40. Implacable and Ominous

41. A Cryptic Remark

42. The Shadow of Lee's Threat

43. Suppressed Memories

44. Hysterical Amnesia

45. Hatred and Contempt

46. Rachel's Private Room

47. Dead End

48. The Kookiest Kid

49. An Honest Face?

50. Tormented By Voices

51. High Spirits

52. The Ticket Stub

53. Maude's Treachery

54. An Elderly Admirer of... Well, Over Twenty-Five

55. Lefty is Poison

56. I'm Not Company

57. Lefty's Sports Car

58. Bill and Missy's Wedding

59. Bill and Missy's Reception

60. Russ's Proposal

61. In Sherman Square

62. An Offer of Friendship

63. Invented Emotional Injuries

64. Lenore's Surrealistic Dream