Where to Watch
Region
Prices last updated September 21, 2026. Pricing and availability may vary by region.
powered by JustWatch
Seasons
All seasons
About
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.
First Aired
Feb 23, 2026
Last Aired
Feb 25, 2026
Seasons
1
Episodes
3
Network
Channel 4
Studio
Halcyons Heart Films
Cast
Full credits →D
David Thewlis
Ash Smith
J
Jason Watkins
Peter Hammond
P
Posy Sterling
Julie Preen
T
Tom McKay
Mark Preen
A
Alex Jennings
Sir James Bevsn
A
Asim Chaudhry
Mickey Lazarus
A
Alice Lowe
Susan Day
C
Chanel Cresswell
Hannah Swift
V
Vicki Pepperdine
Lucy Hunt
J
Juliet Cowan
Debbie Henderson
C
Charlotte Ritchie
Sophie Harrison
T
Tom Durant-Pritchard
Chris Hines
C
Craig Parkinson
John Bull
S
Stephen Wight
Alex Sinclair
