Is Dirty Business coming back?

Dirty Business ended 2026-02-25 on Channel 4. The series concluded after its three-episode run, which took place from February 23 to February 25, 2026.

Based on a decade-long investigation into England's water companies, Dirty Business was a factual drama that aired in 2026. It told the real stories of whistleblowers and victims who believed their lives had been affected by sewage-polluted water. The show followed the story of two unlikely detectives who noticed dying fish in their Oxfordshire river. Their curiosity led them to contact the water company, whose evasive response sparked an ongoing investigation into possible corporate misconduct.

The series featured actors David Thewlis as Ashley Smith and Jason Watkins as Peter Hammond. It was rated 9 on TVMaze and had a runtime of 65 minutes per episode.