Dirty BusinessFair rating?

Dirty Business· Season 1 · Episode 3

The Whistleblower

S01E03·9.4·February 25, 2026·1h 5m·Channel 4

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.

Not streaming in your region — see every region's options

#1In Season 1of 3 rated episodes
#1All-timeof 3 rated episodes
+0.3vs season avgSeason 1 averages 9.1
2026First airedFebruary 25, 2026

Guest stars

Charlotte RitchieCharlotte Ritchieas Sophie HarrisonNaomi BattrickNaomi Battrickas Leonie LauchlinAlex JenningsAlex Jenningsas Sir James BevanChanel CresswellChanel Cresswellas Hanna SwiftCraig ParkinsonCraig Parkinsonas John Bull
Ellie WhiteEllie Whiteas Lizzie Millhouse
Stephen WightStephen Wightas Alex SinclairElizabeth BerringtonElizabeth Berringtonas Sarah HarrisonVicki PepperdineVicki Pepperdineas Lucy Hunt
Juliet CowanJuliet Cowanas Debbie Henderson
Tom Durant-PritchardTom Durant-Pritchardas Chris Hines
Heather ForsterHeather Forsteras Teenage Suzanne Preen
Andrew HavillAndrew Havillas Richard AylardJon CulshawJon Culshawas Alan Wrigley, MP

Crew

Joseph BullmanWriter · Director

Keep going

Season 1 ranked & reviewedBest of Dirty BusinessRatings graph