Is Poisoned: Killer in the Post coming back?

Poisoned: Killer in the Post is a documentary series that first premiered on July 9, 2025, on Channel 4. It explored the investigation into a British man's death, revealing a dark online world of suicide forums and an online vendor selling lethal poison to over a thousand young people. The series aimed to shed light on the dangerous and secretive aspects of the internet that can have tragic consequences.

Each episode had a runtime of 60 minutes. The first season consisted of two episodes, which aired over two consecutive days, concluding on July 10, 2025.