Observational documentary series following the work of staff at one of Britain's largest water companies, United Utilities, as they work tirelessly to keep the country's vital sewer systems running freely.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Ennerdale Pipe | 2019-06-20 | 45 min |
| Season 1 | Episode 2 | Fatberg | 2019-06-27 | 45 min |
| Season 1 | Episode 3 | Episode 3 | 2019-07-04 | 45 min |
| Season 1 | Episode 4 | Episode 4 | 2019-07-11 | 45 min |
| Season 1 | Episode 5 | Episode 5 | 2019-07-18 | 45 min |
| Season 1 | Episode 6 | Episode 6 | 2019-07-24 | 45 min |
| Season 1 | Episode 7 | Episode 7 | 2019-07-31 | 45 min |
| Season 1 | Episode 8 | Episode 8 | 2019-08-07 | 45 min |
| Season 2 | Episode 1 | Episode 1 | 2020-04-30 | 60 min |
| Season 2 | Episode 2 | Episode 2 | 2020-05-07 | 60 min |
| Season 2 | Episode 3 | Episode 3 | 2020-05-14 | 60 min |
| Season 2 | Episode 4 | Episode 4 | 2020-05-21 | 60 min |
| Season 2 | Episode 5 | Episode 5 | 2020-05-28 | 60 min |
| Season 2 | Episode 6 | Episode 6 | 2020-06-04 | 60 min |
| Season 2 | Episode 7 | Episode 7 | 2020-10-01 | 60 min |
| Season 2 | Episode 8 | Episode 8 | 2020-10-08 | 60 min |
| Season 2 | Episode 9 | Episode 9 | 2020-10-15 | 60 min |
| Season 2 | Episode 10 | Episode 10 | 2020-10-22 | 60 min |
| Season 2 | Episode 11 | Episode 11 | 2020-10-29 | 60 min |
| Season 2 | Episode 12 | Episode 12 | 2020-11-05 | 60 min |