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Dirty Business

Dirty Business

2026Returning SeriesNext: Feb 23 9pm GMT1 Season3 EpisodesTMDB
Channel 4

Season 1 Episodes

Browse every episode and jump into details.

Episode 1: Episode 1

Feb 23, 2026 · 50m

Fact-based drama about pollution, criminal convictions and corporate wealth, exposing how England's water companies have polluted natural resources for so long. It follows the story of retired detective Ash Smith and Oxford professor Peter Hammond who, when they notice the water in their local river has turned brown, begin to ask questions, leading to the start of a 10-year investigation.

Episode 2: Episode 2

Feb 24, 2026 · 50m

Continuing the fact-based drama about retired detective Ash Smith and Oxford professor Peter Hammond and their 10-year investigation into the sewage scandal. The drama also follows the Preen family, who went in search of answers after their eight-year-old daughter died after playing on a beach where a nearby pipe had been discharging.

Episode 3: Episode 3

Feb 25, 2026 · 50m

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.

Season 1 FAQ

Quick answers about this season's release timeline and episode lineup.

When did Dirty Business Season 1 premiere?

Dirty Business Season 1 premiered on February 23, 2026.

How many episodes are in Dirty Business Season 1?

Dirty Business Season 1 has 3 episodes.

What is the first episode of Dirty Business Season 1?

The season opens with Season 1 Episode 1, "Episode 1". It aired on February 23, 2026.

Go to Season 1 Episode 1

Where to Watch

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