Ex-military man Andreas is the perfect fit to catch a brazen, dump and run fly tipper in Harrow. Buckinghamshire's waste warriors take a stand against criminal fly-tippers. In Oxford, the results of drivers caught short have to be removed.

In Essex, it's a grim grime initiation for young apprentice El as she's put to the test. An ex-cop smells a rat in Buckinghamshire. In Stourbridge, pest control battle with an extreme cockroach infestation.

Investigators use their skills to catch waste dumpers. Workers at a dry recycling and landfill plant reveal the hazards and risks involved with sorting the treasure from the trash.

At a recycling centre a fridge crunching machine breaks a chain, so it's all hands on deck to get it mended. In Braintree, Stu deploys CCTV to catch any fly-tippers on the run. A filthy back passage in Hounslow in investigated.

Alan and Emma who attack every new fly-tip with a smile, battle their way around one of Huntingdon's most notoriously filthy estates.

Top waste enforcer Joe from Harrow catches fly-tippers in the act. In Braintree, camera enforcer Tony waits to spot people trying to pretend their fly-tipping is just recycling.

Top waste enforcer Joe from Harrow catches fly-tippers in the act. In Braintree, camera enforcer Tony waits to spot people trying to pretend their fly-tipping is just recycling.

Special vigilante waste warriors Martin and Glenn opt for a stake out in their pursuit of a phantom fly-tipper terrorising their local neighbourhood.

The hidden army cleaning the country. One super sleuth's investigation to bring down a seven-and-a-half-ton fly-by-night dumper proves cameras never lie.

Hidden army cleaning the country. Volunteer waste champions use drone technology to catch the rogue waste operator and the hunt is on for a tyre dumper who is endangering lives.