| 1. | The Elusive Agatha Christie with Lucy Worsley | 18 | Show |
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| 2. | Editing Agatha Christie | 12 | Show |
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| 3. | The Thin Man by Dashiell Hammett | Green Penguin Book Club, Episode 3 | 10 | Show |
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| 4. | Clerical Crimes | 10 | Show |
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| 5. | The Unpleasantness At The Bellona Club | Green Penguin Book Club, Episode 1 | 9 | Show |
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| 6. | Is Agatha Christie A Good Writer? | 8 | Show |
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| 7. | Dorothy L Sayers Solves Her Mystery | 8 | Show |
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| 8. | The Shedunnit Centenary | 8 | Show |
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| 9. | Josephine Tey's Golden Age | 6 | Show |
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| 10. | Queering The Golden Age Murder Mystery | 6 | Show |
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| 11. | The Murderless Christmas Mystery | 6 | Show |
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| 12. | The Death Of The Country House | 6 | Show |
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| 13. | The Great Gladys Mitchell | 6 | Show |
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| 14. | An Encounter With Father Brown | 6 | Show |
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| 15. | The Secret Life of Ngaio Marsh | 6 | Show |
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| 16. | The Tichborne Claimant | 6 | |
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| 17. | Back to School | 5 | Show |
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| 18. | Live Shedunnit Episode | Watching Agatha Christie | 5 | Show |
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| 19. | The Challenge Of Dorothy L. Sayers | 5 | Show |
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| 20. | The Mysterious Dorothy Bowers | 5 | Show |
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| 21. | A Mysterious Glossary | 5 | Show |
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| 22. | The Butler Did It | 5 | Show | The Butler Did It
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| 23. | Dorothy's Secret | 5 | Show |
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| 24. | Miss Marple, Spinster Sleuth | 5 | Show |
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| 25. | The First Whodunnit | 5 | Show |
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| 26. | Who Was E.C.R. Lorac? | 4 | Show |
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| 27. | A Reading Life | 4 | Show |
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| 28. | The Trials of Madeleine Smith | 4 | Show |
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| 29. | Meet The Coles | 4 | Show |
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| 30. | The Victorian Lady Detectives | 4 | Show |
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| 31. | What Is The Detection Club? with Martin Edwards | 4 | Show |
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| 32. | The Mutual Admiration Society | 4 | Show |
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| 33. | Agatha's Archaeologists | 4 | Vlog |
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| 34. | The Advertising Adventures of Dorothy L. Sayers | 4 | Show |
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| 35. | Locked Room | 4 | Show |
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| 36. | The Pale Horse | 4 | Show |
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| 37. | Death at the Speakeasy | 4 | Show |
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| 38. | The Long Shadow of Edgar Allen Poe | 4 | Show |
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| 39. | The Many Afterlives of Hercule Poirot | 4 | Show |
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| 40. | Off The Rails | 4 | Show |
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| 41. | Death Sets Sail On The Nile with Robin Stevens | 3 | Show |
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| 42. | Edith Thompson | 3 | Show |
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| 43. | The Green Penguin | 3 | Show |
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| 44. | The Mystery of A.A. Milne | 3 | Show |
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| 45. | The Nobodies | 3 | Show |
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| 46. | Murder-on-Sea | 3 | Show |
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| 47. | Death at the Club | 3 | Show |
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| 48. | Knock Knock | 3 | Show | Knock-Knock
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| 49. | At Home With Shedunnit | 3 | Show |
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| 50. | The Red Barn Murder | 3 | |
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| 51. | Ngaio Marsh Goes Home | 3 | Show |
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| 52. | Murder in the Library | 3 | Show |
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| 53. | The Queen of True Crime | 3 | Show |
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| 54. | The Murder Mystery Hotline | 3 | Show |
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| 55. | A Christie For Christmas | 3 | Show |
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| 56. | Death By Chocolate | 3 | Show |
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| 57. | Brides In The Bath | 3 | Show |
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| 58. | Whodunnit Centenary: 1924 | 3 | Show |
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| 59. | Meet Anthony Gilbert | 2 | Show |
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| 60. | Mr Fortune, Please by HC Bailey | Green Penguin Book Club, Episode 4 | 2 | |
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| 61. | At The Old Bailey | 2 | Show |
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| 62. | The Villa Murder | 2 | Show |
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| 63. | The Evolution of Margery Allingham | 2 | Show |
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| 64. | Peace At Last | 2 | Show |
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| 65. | Cui Bono? | 2 | |
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| 66. | Dining with Death | 2 | |
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| 67. | Adaptations | 2 | Show |
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| 68. | The Kidnap of Elizabeth Canning | 2 | Show |
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| 69. | The Telephone Call | 2 | Show |
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| 70. | A Second Century of Whodunnits | 2 | Show |
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| 71. | At Home With Agatha Christie | 2 | Show |
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| 72. | E.C.R. Lorac Rises Through The Ranks | 2 | Show | Counter-Strike: Source
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| 73. | Happily Ever After: Romance in Detective Fiction | 2 | Show |
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| 74. | Teaching Sleuthing | 2 | |
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| 75. | The Theatrical World of Agatha Christie | 2 | Show |
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| 76. | Florence Maybrick I | 2 | Show |
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| 77. | Mary Westmacott | 2 | Show |
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| 78. | Agatha Christie's Many Houses | 2 | Show |
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| 79. | A Room Of One's Own | 2 | Show |
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| 80. | Poison Pen | 2 | Show |
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| 81. | The Detective's Best Friend | 2 | Show |
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| 82. | The Lady Vanishes: When Agatha Christie Disappeared | 2 | Show |
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| 83. | Agatha Christie's England | 2 | Show |
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| 84. | The Golden Age Autopsy | 2 | Show |
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| 85. | From the Archive: A Century Of Whodunnits | 2 | Show |
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| 86. | Agatha and Plum | 2 | Show |
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| 87. | You Probably Imagined It! | 1 | Show |
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| 88. | Double Trouble | 1 | Show |
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| 89. | Young Sleuths | 1 | Show |
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| 90. | A Detective's Farewell | 1 | Show |
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| 91. | Hercule Poirot's Swan Song | 1 | Show |
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| 92. | Crippen | 1 | Show |
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| 93. | Let It Snow | 1 | Show |
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| 94. | Howdunnit | 1 | Show |
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| 95. | The Murder on the Links by Agatha Christie | Green Penguin Book Club, Episode 2 | 1 | Show |
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| 96. | Spooky Sleuthing | 1 | Show |
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| 97. | A Prize Mystery | 1 | Show |
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| 98. | Murder Isn't Easy | 1 | Show |
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| 99. | Spoiler Warning (No Spoilers) | 1 | Show |
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| 100. | Cricket And Crime | 1 | Show |
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