- Detective

Mr. Keen, Tracer of Lost Persons
55 episodes Aired 1940-1955

1. The Case Of The Woman Who Wasn't Needed
   12mins Aired 1940-06-05
2. The Case Of The Moonless Night
   30mins Aired 1944-01-06
3. The Case Of The Missing Witness
   30mins Aired 1944-01-13
4. The Case Of The Girl Who Sang Too Well
   29mins Aired 1944-01-20
5. The Case Of The Girl Who Flirted
   30mins Aired 1944-02-03
6. The Case Of The Boy Who Used Big Words
   29mins Aired 1944-02-10
7. The Case Of Mr Trevor's Secret
   30mins Aired 1944-02-17
8. The Case Of Murder In The Air
   30mins Aired 1944-02-24
9. The Case Of The Strange Display
   29mins Aired 1944-03-16
10. The Case Of The Leaping Dog
    30mins Aired 1944-04-13
11. The Case Of The Woman In Blue
    30mins Aired 1944-06-15
12. The Case Of The Frightened Child
    30mins Aired 1944-11-16
13. The Nightmare Murder Case
    30mins Aired 1944-12-14
14. The Case Of The Absent Minded Professor
    29mins Aired 1945-03-15
15. The Case Of The Glamorous Widow
    30mins Aired 1946-05-23
16. Identical Twins Murder Case
    16mins Aired 1948-10-28
17. The Case Of Murder and The Star Of Death
    28mins Aired 1949-06-09
18. The Case Of Murder and The Bloodstained Necklace
    28mins Aired 1949-09-15
19. The Yellow Talon Murder Case
    30mins Aired 1949-09-22
20. The Case Of Murder With A Thousand Witnesses
    29mins Aired 1949-09-29
21. The Case Of The Man Who Invented Death
    29mins Aired 1949-10-06
22. The Silver Dagger Murder Case
    29mins Aired 1949-10-13
23. The Case Of The Ruthless Murderers
    28mins Aired 1949-10-27
24. The Forgotten Cave Murder Case
    29mins Aired 1949-11-03
25. The Engaged Girl Murder Case
    29mins Aired 1949-11-10
26. The Case Of The Rushville Murder
    29mins Aired 1950-01-05
27. The Bride and Groom Murder Case
    25mins Aired 1950-01-19
28. The Telephone Book Murder Case
    29mins Aired 1950-01-26
29. The Case Of Murder and The Jewel Thief
    28mins Aired 1950-02-09
30. The Case Of The Two Faced Murderer
    29mins Aired 1950-02-16
31. The Case Of The Melody Of Murder
    29mins Aired 1950-03-09
32. The Innocent Flirtation Murder Case
    28mins Aired 1950-03-16
33. The Case Of The Murdered Detective
    29mins Aired 1950-04-06
34. The Eccentric Millionaire Murder Case
    24mins Aired 1950-04-13
35. The Country Club Murder Case
    29mins Aired 1950-04-20
36. The Case Of The Woman Who Married A Murderer
    24mins Aired 1950-04-27
37. The King Cobra Murder Case
    28mins Aired 1950-05-04
38. The Case Of Murder and The Missing Car
    29mins Aired 1950-05-11
39. The Broken Window Murder Case
    29mins Aired 1950-05-25
40. The Quicksand Murder Case
    29mins Aired 1950-06-01
41. The Skull and Crossbones Murder Case
    29mins Aired 1950-06-15
42. The Case Of Murder and The Strange Woman
    29mins Aired 1951-07-20
43. The Photograph Album Murder Case
    29mins Aired 1951-07-27
44. The Case Of The Strange Murder Of Carrie Ellis
    29mins Aired 1951-08-03
45. The Abandoned Well Murder Case
    28mins Aired 1951-08-10
46. The Poisoned Sandwich Murder Case
    30mins Aired 1951-08-17
47. The Case Of Murder At A Mile A Minute
    29mins Aired 1951-12-06
48. The Silver Candlestick Murder Case
    29mins Aired 1952-03-13
49. The Rented Cottage Murder Case
    28mins Aired 1952-04-03
50. The Mother's Plea Murder Case
    29mins Aired 1952-04-10
51. The Shrieking Prisoner Murder Case Part 1
    15mins Aired 1954-06-21
52. The Shrieking Prisoner Murder Case Part 2
    15mins Aired 1954-06-23
53. The Shrieking Prisoner Murder Case Part 3
    15mins Aired 1954-06-24
54. The Shrieking Prisoner Murder Case Part 4
    15mins Aired 1954-06-25
55. The Case Of Murder and The Revengeful Ghost
    26mins Aired 1955-02-22