Dirty Business

Based on a decade-long investigation into England's water companies, and telling the real stories of whistleblowers and victims who believe their lives have been destroyed after encountering sewage polluted water, Dirty Business is a major new factual drama investigating one of the biggest potential corporate scandals in British history.

Dirty Business follows the story of two unlikely detectives, who notice that the fish in the river running through their idyllic Oxfordshire hamlet are dying. They contact their water company to find out why, and the company's strange and evasive reply sparks an investigation that remains ongoing to this day.

Show Info

Network: United Kingdom Channel 4 (2026 - 2026)
Schedule: Mon, Tue, Wed at 21:00 (65 min)
Status: Ended
Show Type: Scripted
Genres: Drama
Episodes ordered: 3 episodes

Official site: www.channel4.com

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Previous Episode

The Whistleblower

Episode 1x03; Feb 25, 2026

Fact-based drama about a retired detective and an Oxford professor and their investigation into the sewage scandal. The story also follows surfer Reuben, who believes his chronic illness, Meniere's disease, is a result of surfing in polluted water.

Previous Episodes

Episode NameAirdateTrailer
1x03: The WhistleblowerFeb 25, 2026
1x02: EcocideFeb 24, 2026
1x01: The Accidental DetectivesFeb 23, 2026
View full episode list »

Cast

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