Wayne and Dan use tiny clues to try and track down fly-tippers. Eamon inspects the pub kitchens and takeaways of Worcester. Don must clear an overflowing toilet.

Dan and Jude tackle a dumped caravan where drug users are leaving needles. Jakob and Wojtek are faced with a toxic clean up at a property thanks to someone storing 50 bottles of their own urine in a cupboard.

Wayne and Dan tackle rubbish dumped from illegal cannabis factories. Juliet performs a surprise inspection at a takeaway. Cleaners Caz and Tee face filthy houses.

Wayne and Dan continue to try to identify the Cardiff fly-tipping gang. There is trouble in store for a takeaway in Worcester. A London canal side is the scene of a battle with a rubbish hoarding artist.

David sets up a hidden camera to catch a fly-tipper in the act. Gary follows a disturbing trail of used needles deliberately left in playgrounds and parks. Mick and Danny track a shopkeeper who is illegally dumping rubbish.

David uncovers a fly-tip full of sex toys in a farmer's field, Clive and Callum face roadside lay-bys covered in human effluent, and Ray wages a one-man war on the dog foulers of Dorset.

Enforcement officers chase a flytipper on Christmas Day in Walsall. A festive fatberg leaves sewer cleaners in London with a mess on their hands. Grime busters across the UK clean up Christmas excess.

The documentary following the work of those cleaning up Britain returns. Trainee bog-buster Anna gets her hands dirty locating a blockage. Dan and Jude get their clean message across, Hollywood-style.

A dodgy scrap dealer is caught up to no good in County Durham. In Surrey, a pair of water engineers tackle damage to the sewer system and Malvern enforcement officers Dan and Jade hunt fly-tippers.

Martin and Glenn raise an army of volunteers to fight back against fly tipping. Layby warriors Clive and Steve do their best to keep rubbish off the roads.

The food inspectors are out in force around Worcestershire. In Northumbria, a specialist sewage blockage team tackle a series of weather-induced problems.

Alan and Paul are faced with cleaning up the detritus of a drunken payday weekend in Bristol. Waste enforcement officers in Essex are out to catch the litter louts behind the UK's most commonly dropped item of rubbish - the cigarette butt.

When Braintree's team of waste enforcement officers crack down on the district's foul dog poo offenders, things get smelly very, very quickly. Dan and Jude hunt down bags of rotting waste in the local waterways.

Gary is shocked when he discovers a huge haul of hypodermics in one of Oxford's clandestine drug dens. Walsall assembles a crack clean-up crew to sift through a mound of flytipped rubbish for clues to who dumped it.

Martin, Glenn and Connor target 40 tons of waste, dumped on a beauty spot near a derelict grand hall in the Midlands. Anna and John try to get to the root of a blockage that could send a tsunami of waste gushing into a bungalow.

Chris takes on some elusive mice causing havoc in an unexpected location. In Buckinghamshire, a lorry load of potentially hazardous waste has been dumped by the side of a main road.

Newbie Chloe is taken under the wing of experienced enforcers Ian and Anneil as they conduct a street sweep, deep cleaning problem areas in the London Borough of Hounslow.

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.