In Bristol, pest officer Ian Thomas has his work cut out when he investigates a rat found in a car - presumably it wasn't driving. And Paul Vice must clear a mystery blockage.

More unsavoury encounters for health officers as Bristol City Council clears up a hundred years of muck from a local boating lake - but must fish out any inhabitants first.

Pest officer Ian Thomas is called to a rat-infested alleyway in the centre of Bristol, and the city's dog wardens are after a stray that has been running wild on a golf course.

Housing surveyor Carl Turville clears up after an eviction from a council flat, and pest officer Stuart Royall has to disinfect a property where a man's body has lain undiscovered.

Stuart Tonkins struggles to get into a hoarder's flat which is crammed from floor to ceiling with junk, while Paul Vice tries to find a lost manhole under an acre of rubble.

More unsavoury adventures for the public services as Mark Coombes tries to catch a stray dog, and an arson attack on a council house leaves Carl Turville with his work cut out.

Environmental health officers double up as ghostbusters when they help a woman who is being terrorised by ghostly activities in her council home - could an exorcist be the answer?

Judgement day looms in the Britain's Cleanest City Competition, and pest officer Ian Thomas faces some mightily persistent cockroaches in a hairdressing salon.