Dirty Business

9.7 Feb 2026 1 Season 3 Episodes

Ended

Overview

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.

Halcyons Heart Films

Cast

David Thewlis

Ash Smith

Jason Watkins

Peter Hammond

Posy Sterling

Julie Preen

Tom McKay

Mark Preen

Alex Jennings

Sir James Bevsn

Asim Chaudhry

Mickey Lazarus

Alice Lowe

Susan Day

Chanel Cresswell

Hannah Swift

Vicki Pepperdine

Lucy Hunt

Charlotte Ritchie

Sophie Harrison

Juliet Cowan

Debbie Henderson

Tom Durant-Pritchard

Chris Hines

Key Crew

Joseph Bullman

Director

Joseph Bullman

Writer

Jennifer Duffy

Casting Director

Aysha Rafaele

Executive Producer

Meeshan Saxena

Producer

Laura McCutcheon

Producer

Matthew Button

Production Designer

John Pardue

Director of Photography

Owen Oppenheimer

Editor

Episode 1

When a Oxfordshire river turns brown, two locals ask the water company why. So begins an epic 10-year trail to the heart of one of the great corporate and regulatory scandals in our country’s history.

Feb 23, 2026 51m

Episode 2

The drama continues. An eight-year-old girl dies after a trip to the beach. Was it the raw sewage dumped there?

Feb 24, 2026 52m

Episode 3

The drama concludes as Dirty Business flushes out a story of pollution, criminal convictions and corporate wealth

Feb 25, 2026 52m

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