Dirty Business poster
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Dirty Business(2026)

Archived · Channel 4

9.03 eps
S01
Drama
ON AIR: FEB 23Season 1Archived listing

What to Expect

PremiereLens read

Dirty Business builds its mystery through persistent questioning rather than professional detective work. Evasive answers from the water company turn local concern into a prolonged search for the truth, with ordinary people pressing an institution that would rather they stopped. The drama carries a quiet anger: damage to a familiar river is concrete, visible, and too troubling to leave unexplained.

Long friendships and family loyalty give the decades-spanning investigation a human texture. In the Oxfordshire village, shared history makes the polluted river more than an isolated puzzle; it is part of a place people know and care about. The miniseries follows one unfolding inquiry, allowing stubborn curiosity and the refusal to drop an unanswered question to carry the story forward.

Best for

environmental mystery, amateur sleuthing and Drama

Story lane

Drama

Commitment

Season 1 · 3 episodes

Where

Channel 4

Official Premise

Two amateur detectives in an Oxfordshire village discover dying fish in their river. When they contact the water company for answers, the company's odd, evasive response prompts them to launch an investigation that continues today.

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