Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Mysterious Death of the Somerton Man | 6.5 | 121 |
| 2 | The Horrifying Unsolved Slaughter at Hinterkaifeck Farm | 7.1 | 114 |
| 3 | The Bizarre Death of Elisa Lam | 7.2 | 124 |
| 4 | The Chilling Mystery of the Black Dahlia | 7.1 | 114 |
| 5 | The Strange Deaths of the 9 Hikers of Dyatlov Pass | 6.9 | 115 |
| 6 | The Mysterious Death of Tupac Shakur Part 1 | 7.5 | 110 |
| 7 | The Mysterious Death of Biggie Smalls Part 2 | 7.3 | 108 |
| 8 | The Horrifying Murders of the Zodiac Killer | 8.3 | 116 |
| 9 | The Mysterious Disappearance of the Sodder Children | 8.2 | 114 |
| 10 | The Odd Death of Michelle Von Emster | 7.7 | 99 |
| 11 | The Shocking Case of O.J. Simpson | 8.1 | 102 |
| 12 | The Strange Disappearance of D.B. Cooper | 8.5 | 119 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Terrifying Axe Man of New Orleans | 8.1 | 108 |
| 2 | The Mysterious Death of the Boy in the Box | 7.6 | 98 |
| 3 | The Bizarre Road Trip of a Missing Family | 7.7 | 95 |
| 4 | The Tragic Murder of JonBenet Ramsey | 8.1 | 90 |
| 5 | The Odd Vanishing of Amelia Earhart | 8.3 | 91 |
| 6 | The Creepy Murder in Room 1046 | 8.3 | 100 |
| 7 | The Strange Drowning of Natalie Wood | 8.4 | 87 |
| 8 | The Mysterious Poisoned Pill Murders | 8.1 | 84 |
| 9 | The Disturbing Murders at Keddie Cabin | 8.2 | 88 |
| 10 | The Suspicious Assassination of JFK | 8.0 | 92 |
Season 3 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Grisly Murders of Jack the Ripper | 8.5 | 97 |
| 2 | The Thrilling Gardner Museum Heist | 8.5 | 93 |
| 3 | The Ghastly Cleveland Torso Murders | 8.4 | 82 |
| 4 | The Enigmatic Death of the Isdal Woman | 8.0 | 79 |
| 5 | The Strange Killing of Ken Rex McElroy | 8.2 | 72 |
| 6 | The Scandalous Murder of William Desmond Taylor | 7.9 | 68 |
| 7 | The Historic Disappearance of Louis Le Prince | 8.4 | 75 |
| 8 | The Disturbing Mystery of the Jamison Family | 8.0 | 81 |
Season 4 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Sinister Disappearance of Jimmy Hoffa | 8.1 | 70 |
| 2 | The Bizarre Collar Bomb Bank Robbery | 8.8 | 81 |
| 3 | The Mysterious Death Of The Eight Day Bride | 8.1 | 67 |
| 4 | The Incredible Alcatraz Prison Break | 8.3 | 77 |
| 5 | The Covert Poisoning of an Ex-Russian Spy | 7.6 | 59 |
| 6 | The Odd Death of Charles C. Morgan | 8.1 | 58 |
| 7 | The Bizarre Disappearance of Bobby Dunbar | 8.6 | 71 |
| 8 | The Treacherous Treasure Hunt of Forrest Fenn | 8.7 | 71 |
| 9 | The Chilling Black Dahlia Murder Revisited | 8.5 | 56 |
Season 5 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Eerie Case Of The Watcher | 8.8 | 82 |
| 2 | The Unusual Australian Shark Arm Murders | 7.6 | 59 |
| 3 | The Suspicious Case of the Reykjavik Confessions | 7.8 | 58 |
| 4 | The Unexplained Murder of Mobster Bugsy Siegel | 7.7 | 62 |
| 5 | The Horrifying Texarkana Phantom Killer | 8.1 | 61 |
| 6 | The Shocking Florida Machete Murder | 7.9 | 61 |
| 7 | The Puzzling Disappearance of Walter Collins | 8.2 | 59 |
| 8 | The Curious Death of Vincent Van Gogh | 8.2 | 65 |
| 9 | The Impossible Disappearance of Dorothy Arnold | 8.2 | 40 |
Season 6 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Macabre Death of Edgar Allan Poe | 8.0 | 64 |
| 2 | The Missing Identity of the Lady of the Dunes | 8.1 | 57 |
| 3 | The Tinseltown Murder of Thelma Todd | 8.4 | 54 |
| 4 | The Creepy Quandary of Who Put Bella in the Wych Elm | 8.5 | 62 |
| 5 | The Puzzling Case of Marilyn and Sam Sheppard | 8.3 | 54 |
| 6 | The Mysterious Death of the Somerton Man Revisited | 8.0 | 48 |
Season 7 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Eerie Vanishing Of The Flannan Isles Lighthouse Keepers | 7.8 | 65 |
| 2 | The Daring Heists of The Elusive Pink Panthers | 7.5 | 47 |
| 3 | The Suspicious Death of Harry Houdini | 7.8 | 53 |
| 4 | The Sudden Disappearance Of Cynthia Anderson | 7.8 | 47 |
| 5 | The Maritime Mystery of The Mary Celeste | 7.4 | 47 |
| 6 | The Haunting Murder Case of the Hammersmith Ghost | 7.5 | 47 |
Season 8 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Mysterious Death of George Reeves | 8.2 | 53 |
| 2 | The Puzzling Disappearance of Agatha Christie | 8.0 | 47 |
| 3 | The Menacing Case of the Monster with 21 Faces | 7.6 | 41 |
| 4 | The Perplexing Disappearance of Judge Joseph F. Crater | 7.6 | 39 |
| 5 | The Tragic Death of Princess Diana | 7.6 | 43 |
| 6 | The Bizarre Death of Alfred Loewenstein | 8.2 | 47 |
