| Season 1 | Episode 1 | Soil and Insects | 2021-10-25 | 30 min |
| Season 1 | Episode 2 | Blood Under Paint and Gait | 2021-10-26 | 30 min |
| Season 1 | Episode 3 | Forensic Imaging and MSN Chat | 2021-10-27 | 30 min |
| Season 1 | Episode 4 | Fibre Trails and Diamonds | 2021-10-28 | 30 min |
| Season 1 | Episode 5 | Pollen in a Field and Fibres in a Car Crash | 2021-10-29 | 30 min |
| Season 1 | Episode 6 | DNA, Fibres and Bones | 2021-11-01 | 30 min |
| Season 1 | Episode 7 | Aging Insects and Fake Fairies | 2021-11-02 | 30 min |
| Season 1 | Episode 8 | Soil on a Spade and Stones in a Shoe | 2021-11-03 | 30 min |
| Season 1 | Episode 9 | Cerium and CCTV | 2021-11-04 | 30 min |
| Season 1 | Episode 10 | Pollen, Bones and DNA | 2021-11-05 | 30 min |
| Season 1 | Episode 11 | Text Messages and DNA | 2021-11-08 | 30 min |
| Season 1 | Episode 12 | Pollen, Chalk and DNA | 2021-11-09 | 30 min |
| Season 1 | Episode 13 | Insects and Bones | 2021-11-10 | 30 min |
| Season 1 | Episode 14 | Paint Materials and Blood Patterns | 2021-11-11 | 30 min |
| Season 1 | Episode 15 | 60's DNA and Fibres Around the World | 2021-11-12 | 30 min |
| Season 2 | Episode 1 | Shallow Graves - Unearthing a Serial Killer | 2022-11-14 | 29 min |
| Season 2 | Episode 2 | Mystery of the Playground Shooter and Signature of a Killer | 2022-11-14 | 28 min |
| Season 2 | Episode 3 | The Curry Killer and the Body on the Beach | 2022-11-14 | 28 min |
| Season 2 | Episode 4 | Body in the Snow and Betrayed by a Text | 2022-11-14 | 28 min |
| Season 2 | Episode 5 | Body in the Woods and Murder at the Post Office | 2022-11-14 | 28 min |
| Season 2 | Episode 6 | Murder in the Suburbs and Search for a Serial Killer | 2022-11-14 | 29 min |
| Season 2 | Episode 7 | Body in the Bog and Bomb in the Boot | 2022-11-14 | 29 min |
| Season 2 | Episode 8 | Late Night Murder and Exhuming Evidence | 2022-11-14 | 29 min |
| Season 2 | Episode 9 | Invisible Evidence and the Chocolate Box Conmen | 2022-11-14 | 29 min |
| Season 2 | Episode 10 | Car Killer and Shot on the Sofa | 2022-11-14 | 29 min |
| Season 2 | Episode 11 | Sole of a Killer and Stolen Treasure | 2022-11-14 | 29 min |
| Season 2 | Episode 12 | Murder in the Carpark and Cold Call Fraud | 2022-11-14 | 29 min |
| Season 2 | Episode 13 | A Scottish Murder and Artful Deceit | 2022-11-14 | 29 min |
| Season 2 | Episode 14 | Deadly Date and the Football Fraudster | 2022-11-14 | 29 min |
| Season 2 | Episode 15 | Killer on the Run and Murder in the Valleys | 2022-11-14 | 29 min |
| Season 3 | Episode 1 | Body in the Woods and Supermarket Killers | 2023-08-21 | 29 min |
| Season 3 | Episode 2 | A Watery Grave and The Dangerous Date | 2023-08-21 | 29 min |
| Season 3 | Episode 3 | Body of Evidence and Shallow Grave | 2023-08-21 | 29 min |
| Season 3 | Episode 4 | Corrosive Truth and A Field of Evidence | 2023-08-21 | 29 min |
| Season 3 | Episode 5 | Written in Blood and The End of the Line | 2023-08-21 | 29 min |
| Season 3 | Episode 6 | Face of a Killer and Proof in the Pollen | 2023-08-21 | 29 min |
| Season 3 | Episode 7 | Hidden Blood and Traces of a Killer | 2023-08-21 | 29 min |
| Season 3 | Episode 8 | Patterns of Behaviour and Time Flies | 2023-08-21 | 29 min |
| Season 3 | Episode 9 | Threads of Evidence and Bad Chemistry | 2023-08-21 | 29 min |
| Season 3 | Episode 10 | A Grave Error and Souvenir of a Killer | 2023-08-21 | 29 min |
| Season 3 | Episode 11 | Death on the Nile and Cell to Cell | 2023-08-21 | 29 min |
| Season 3 | Episode 12 | Red Light Killer and A Rural Rampage | 2023-08-21 | 29 min |
| Season 3 | Episode 13 | Facing Justice and Language of Terror | 2023-08-21 | 29 min |
| Season 3 | Episode 14 | Fragments of Truth and Wall of Evidence | 2023-08-21 | 29 min |
| Season 3 | Episode 15 | Grave Secret and Lockdown Tragedy | 2023-08-21 | 29 min |
| Season 4 | Episode 1 | The Murder of Sarah Payne: Fields of Evidence | 2024-10-28 | 28 min |
| Season 4 | Episode 2 | The Body in the Suitcase | 2024-10-28 | 28 min |
| Season 4 | Episode 3 | The Wheelie Bin Killer | 2024-10-28 | 28 min |
| Season 4 | Episode 4 | Cracking the Killer's Code | 2024-10-28 | 28 min |
| Season 4 | Episode 5 | Catching a Cold Case Killer | 2024-10-28 | 28 min |
| Season 4 | Episode 6 | Murderers, Messages and the Breakfast Killer | 2024-10-28 | 28 min |
| Season 4 | Episode 7 | The Boy in the Woods - The Murder of Rikki Neave | 2024-10-28 | 28 min |
| Season 4 | Episode 8 | Beneath the Ashes | 2024-10-28 | 28 min |
| Season 4 | Episode 9 | Lured to the Woods | 2024-10-28 | 28 min |
| Season 4 | Episode 10 | The Shooting of Olivia Pratt-Korbel | 2024-10-28 | 28 min |
| Season 4 | Episode 11 | Blood on the Carpet | 2024-10-28 | 28 min |
| Season 4 | Episode 12 | The Rachel Nickell Murder: Justice at Last | 2024-10-28 | 28 min |
| Season 4 | Episode 13 | Unearthing the Truth | 2024-10-28 | 28 min |
| Season 4 | Episode 14 | Blood on His Hands | 2024-10-28 | 28 min |
| Season 4 | Episode 15 | Buried Secrets | 2024-10-28 | 28 min |
