#1 | 04/30/2020Episode 1
In Cumbria, an army of engineers are replacing parts of an ageing monster underground pipeline that transports millions of litres of water from Haweswater Reservoir to 2 million people every day.
#2 | 05/07/2020Episode 2
Waste Warriors James and Andy battle to clear a newly formed fatberg underneath a busy street in Manchester. It is a monstrous mass of waste and fat that is 50 metres in length
#3 | 05/14/2020Episode 3
In Cumbria, John and his army of engineers are midway through a mammoth plumbing job, replacing parts of an ageing monster underground pipeline
#4 | 05/21/2020Episode 4
Geoff and his elite squad of sewage cleaners must scour the pumps deep inside a holding tank at Southport Treatment works, to ensure the waste doesn't back up into people's homes
#5 | 05/28/2020Episode 5
Project director John and his team undertake a crucial test at a fresh water pipeline in the Lake District, and a garden in Rucorn, Cheshire, is being slowly submerged in sewage.
#6 | 06/04/2020Episode 6
Steve and Mark face one of their toughest jobs ever and Stu and Ian tackle a potential pollution emergency.
#7 | 07/28/2020Episode 7
Stuart tackles a 200-metre fatberg in Manchester, newly qualified "leak listener" Dan detects holes in the water company's network, and the Steves attract donkey attention.
#8 | 08/07/2020Episode 8
The largest fatberg ever seen in the North West is proving an unbeatable enemy. At 400 tonnes and 350m long, it fills 40% of the main sewer system in the docks area of Liverpool.
#9 | 10/15/2020Episode 9
In North Wales, engineer Luke and his team of mega plumbers are mid way through a project to replace a problematic two km section of pipe that has a history of large bursts.
#10 | 10/22/2020Episode 10
In Liverpool city centre, a crack team of drainage engineers goes underground to clear a blocked sewer.
#11 | 10/29/2020Episode 11
Docuseries following the workers who maintain Britain's water systems.
#12 | 11/05/2020Episode 12
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