| 1. | 12 hours of CBSRMT | 11:39:17 | |
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| 2. | CBSRMT All Night Long | 8:16:27 | |
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| 3. | Foundation Trilogy | BBC RADIO DRAMA 1977 | 7:48:49 | |
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| 4. | 7 hours and 30 minutes Of CBS Radio Mystery Theater | 7:30:07 | |
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| 5. | 4 hours and 40 minutes of Voyage of the Scarlet Queen (9 shows) | 4:40:36 | Show |
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| 6. | The Hunchback of Notre Dame 1989 BBC Radio Play | 4:30:48 | |
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| 7. | Earthsearch 2 All Chapters 1981 | 4:27:13 | |
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| 8. | Adventures by Morse City of the Dead 1944 All 10 Parts | 4:19:02 | |
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| 9. | 3 plus Hours of Zero Hour with a Black Screen | 3:22:12 | |
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| 10. | General Mills Radio Adventure all night | 3:16:26 | |
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| 11. | Batman The Ultimate Evil | 3:03:35 | |
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| 12. | 1957 The Day of The Triffids All 6 Episodes | 2:57:45 | Show |
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| 13. | Batman Knightfall | 2:56:02 | |
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| 14. | Orbit One Zero all six Episodes | 2:54:13 | Show |
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| 15. | BBC RADIO DRAMA THE DARK ISLAND by Robert Barr (1969) | 2:28:18 | |
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| 16. | Detroit Tigers vs NY Yankees September 20, 1934 Navin Field | 2:22:39 | |
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| 17. | Dick Barton Special Agent The Secret Weapon BBC | 2:18:44 | |
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| 18. | Zero Hour If Two Of Them Are Dead Parts 1-5 October/November 1973 | 1:55:09 | |
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| 19. | Zero Hour The Fourth Of Forever Parts 1 through 5 September 17, 1973 to September 21, 1973 | 1:54:58 | |
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| 20. | Desperate Witness all chapters December 28, 1974 | 1:47:11 | |
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| 21. | Zero Hour Wife of the Red Haired Man All 5 Chapters, No Commercials | 1:35:02 | |
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| 22. | Afternoon Theater BBC The Silent Scream Part 2 1977 | 1:31:20 | |
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| 23. | Afternoon Theater BBC Before the Screaming Begins Part 1 1977 | 1:29:43 | |
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| 24. | The Chrysalids 1981 by John Wyndham | 1:28:30 | |
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| 25. | Big Show Debut Fred Allen, Jimmy Durante November 5, 1950 | 1:28:20 | Show |
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| 26. | Afternoon Theater BBC With a Whimper to the Grave Part 3 1977 | 1:27:43 | |
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| 27. | 51 11 09 Tribute to Jack Benny | 1:25:58 | |
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| 28. | Afternoon Call | 1:20:43 | |
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| 29. | S01E01 The Prisoner Departure & Arrival | 1:19:10 | |
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| 30. | Red Ryder Shooting at Paradise Plateau all 3 episodes February 17, 19, and 21, 1942 | 1:18:53 | |
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| 31. | The Great British Radio Play, The Strange Case of Dr Jekyll and Mr Hyde Parental Discretion | 1:16:40 | |
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| 32. | 77 04 18 CBS Radio Mystery Theater A House Divided | 1:13:08 | |
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| 33. | 77 04 05 CBS Radio Mystery Theater The Sensitive | 1:12:41 | |
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| 34. | 77 02 24 CBS Radio Mystery Theater Last Judgement | 1:09:21 | |
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| 35. | 77 03 14 CBS Radio Mystery Theater Look Backward Sometimes | 1:09:14 | |
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| 36. | 77 04 21 CBS Radio Mystery Theater Come Away Death | 1:08:17 | |
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| 37. | Cape Cod Radio Mystery Theater 1982 Playback | 1:07:46 | |
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| 38. | 77 05 02 CBS Radio Mystery Theater Much Too Much | 1:06:51 | |
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| 39. | 77 05 05 CBS Radio Mystery Theater Reunion Fever | 1:06:36 | |
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| 40. | 77 04 12 CBS Radio Mystery Theater Man Sized in Marble | 1:06:28 | |
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| 41. | 77 04 11 CBS Radio Mystery Theater The Meteorite | 1:06:28 | |
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| 42. | 77 04 07 CBS Radio Mystery Theater The High Priest | 1:05:44 | |
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| 43. | 77 02 17 CBS Radio Mystery Theater 602 If Mischief Follow | 1:04:09 | |
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| 44. | Chicago Theater of the Air 12 Chocolate Soldier October 12, 1940 | 1:03:03 | |
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| 45. | 76 02 03 CBS Radio Mystery Theater The Dead Deserve to Rest | 1:02:43 | |
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| 46. | Chicago Theater of the Air 16 Student Prince May 15, 1940 | 1:02:33 | |
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| 47. | 76 06 10 CBS Radio Mystery Theater Free the Beast | 1:02:14 | |
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| 48. | NBC University Theater 002 Farewell to Arms August 6, 1948 | 1:01:01 | |
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| 49. | CBS Radio Mystery Theater The Man Who Heard Voices January 29, 1974 | 1:00:50 | |
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| 50. | 77 04 25 CBS Radio Mystery Theater Bound East For Haiti | 1:00:48 | |
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| 51. | 77 01 26 CBS Radio Mystery Theater White Wolf | 1:00:48 | |
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| 52. | Campbell Playhouse A Christmas Carol December 23, 1938 | 1:00:45 | |
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| 53. | 76 07 12 CBS Radio Mystery Theater Blood Red Roses | 1:00:45 | |
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| 54. | 37 06 06 Chase & Sanborn Hour W C Fields Joan Blondell | 1:00:45 | |
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| 55. | 77 01 16 CBS Radio Mystery Theater Jimmy Valentine's Gamble | 1:00:38 | |
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| 56. | CBS Radio Mystery Theater The Black Room October 29, 1974 | 1:00:29 | |
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| 57. | Major Bowes Original Amateur Hour July 27, 1939 | 1:00:21 | |
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| 58. | 77 03 17 CBS Radio Mystery Theater Jobo | 1:00:16 | |
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| 59. | NBC University Theater 001 Main Street July 30, 1947 | 1:00:12 | |
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| 60. | Mercury Theater on the Air 02 Treasure Island July 18, 1938 | 1:00:11 | |
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| 61. | 77 01 31 CBS Radio Mystery Theater Casual Affair | 1:00:06 | |
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| 62. | Fred Allen 123 Once an Amateur October 2, 1935 | 1:00:06 | |
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| 63. | 77 03 10 CBS Radio Mystery Theater The Pleading Voice | 1:00:04 | |
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| 64. | 77 01 15 CBS Radio Mystery Theater Cherchez la Femme | 59:59 | |
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| 65. | 37 05 09 Charlie McCarthy Show | 59:58 | |
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| 66. | 77 02 07 CBS Radio Mystery Theater I Pronounce You Dead | 59:57 | |
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| 67. | 77 02 08 CBS Radio Mystery Theater Aurora Group | 59:55 | |
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| 68. | Campbell Playhouse Rebecca December 9, 1938 | 59:54 | |
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| 69. | Best Plays 03 Angel Street June 22, 1952 | 59:53 | |
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| 70. | Best Plays 05 Arsenic and Old Lace July 6, 1952 | 59:43 | Let's Play |
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| 71. | 77 01 21 CBS Radio Mystery Theater Happy Death Day | 59:38 | |
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| 72. | Lux Radio Theater The Legionnaire And The Lady June 1, 1936 | 59:35 | |
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| 73. | 77 03 25 CBS Radio Mystery Theater A Study in Scarlet | 59:31 | |
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| 74. | Caltex Theater Detectives Are Not Always Right | 59:25 | |
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| 75. | Campbell Playhouse Mutiny On The Bounty January 13, 1938 | 59:20 | |
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| 76. | Ford Theater 05 Ah, Wilderness November 2, 1947 | 59:17 | |
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| 77. | 76 12 21 CBS Radio Mystery Theater The Lone Survivor | 59:13 | | Lone Survivor
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| 78. | 1955 Friar's Club RoastTribute to Humphrey Bogart | 59:10 | |
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| 79. | Campbell Playhouse The Glass Key March 10, 1939 | 59:05 | |
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| 80. | 76 11 30 CBS Radio Mystery Theater Now You See Them Now You Don't | 59:05 | |
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| 81. | 76 09 23 CBS Radio Mystery Theater Don't Play With Matches | 59:02 | |
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| 82. | 52 06 15 Best Plays 02 On Borrowed Time | 58:59 | |
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| 83. | 77 04 15 CBS Radio Mystery Theater The Borderline Case | 58:57 | |
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| 84. | 77 05 06 CBS Radio Mystery Theater Bottom Of The World | 58:55 | |
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| 85. | Al Read Show Right Monkey | 58:41 | Show |
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| 86. | 77 01 11 CBS Radio Mystery Theater The Passing Of Black Eagle | 58:36 | |
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| 87. | 77 03 01 CBS Radio Mystery Theater The Hound Of The Baskervilles | 58:30 | |
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| 88. | Abc Radio Workshop "Tomorrow" Narrated by Orson Wells October 17, 1946 | 58:30 | |
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| 89. | 77 02 21 CBS Radio Mystery Theater Orient Express | 58:25 | |
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| 90. | 76 10 01 CBS Radio Mystery Theater The Clairvoyant | 58:24 | |
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| 91. | 76 09 20 CBS Radio Mystery Theater A Very Dear Ghost Indeed | 58:23 | |
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| 92. | 56 10 17 Tommorow Narriated By Orson Wells | 58:19 | |
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| 93. | CBS Radio Mystery Theater The Return of the Moresby's January 7, 1974 | 58:17 | |
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| 94. | 76 07 29 CBS Radio Mystery Theater Shotgun Wedding | 58:14 | |
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| 95. | Campbell Playhouse Twentieth Century March 24, 1939 | 58:10 | |
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| 96. | 76 12 16 CBS Radio Mystery Theater The Doctors Evidence | 58:02 | |
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| 97. | 77 02 04 CBS Radio Mystery Theater Ripple Effect | 58:00 | |
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| 98. | Baby Snooks he Royal Gelatin Hour June 17, 1937 | 57:57 | |
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| 99. | 32 07 14 143 Fleishman's Yeast Hour Olsen and Johnson | 57:57 | |
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| 100. | 76 09 21 CBS Radio Mystery Theater The Rainbow Man | 57:50 | |
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