Series synopsis
Chasing a Killer: Gary Allen is a British documentary television series that premiered on Prime Video on February 22, 2026.
When Gary Allen is acquitted of murdering Samantha Class in 2000, detectives know it's only a matter of time before he strikes again. In 2019, the murder of another woman, Alena Grlakova, leads detectives once again to Gary Allen, unearthing chilling evidence which changes the course of the investigation and entwines Alena and Samantha's cases forever. Can he finally be brought to Justice?
Premise
When Gary Allen is acquitted of murdering Samantha Class in 2000, detectives know it's only a matter of time before he strikes again. In 2019, the murder of another woman, Alena Grlakova, leads detectives once again to Gary Allen, unearthing chilling evidence which changes the course of the investigation and entwines Alena and Samantha's cases forever. Can he finally be brought to Justice?
Episodes
This series spans 1 season with 2 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 2 | February 22, 2026 | March 1, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 When Gary Allen is acquitted of murdering Samantha Class in 2000, detectives know it's only a matter of time before he strikes again. In 2019, the murder of another woman, Alena Grlakova, leads detectives once again to Gary Allen, unearthing chilling evidence which changes the course of the investigation and entwines Alena and Samantha's cases forever. Can he finally be brought to justice? |
February 22, 2026 |
| 2 |
Episode 2 When Gary Allen is acquitted of murdering Samantha Class in 2000, detectives know it's only a matter of time before he strikes again. In 2019, the murder of another woman, Alena Grlakova, leads detectives once again to Gary Allen, unearthing chilling evidence which changes the course of the investigation and entwines Alena and Samantha's cases forever. Can he finally be brought to justice? |
March 1, 2026 |
Production
Release
| Original network/platform | Prime Video |
|---|---|
| First aired | February 22, 2026 |
| Last aired | March 1, 2026 |
| Status | continue |