Lauren from Dunstable helps Sarah sort through ten years of unused toys, clothes and out-of-date food, while germophobe Emma visits John in his cluttered Peak District home.

The first cleaner is Croatian-born Natasha, who loves to look for dirt in hidden places and makes sure every inch of her home is perfect. Natasha meets Suzanne to help clean her chaotic two-bedroomed home, which has become overrun with mountains of jigsaws. The second volunteer cleaner is Vijay, who hates clutter and has five vacuum cleaners. Vijay meets jewellery maker Poly in north London in a one bedroomed flat which she hasn't cleaned in years. And Hayley and the team clean out some disgusting cupboards.

James helps mum-of-two Jodi, while Kristy, whose nickname is Dettol queen, helps de-clutter the home of Kay and Dillip, and has a revelation about her own cleaning obsession while she does. And the Obsessive Compulsive Cleaners team tackle a park in Tower Hamlets suffering from graffiti and fly tipping.

The first cleaner is cafe owner Sandra, who hates dirt and germs so much that she forbids outside clothes to be worn indoors. Sandra helps Karl, who lives an alternative lifestyle on a boat in Norfolk with his dog Cooper. With a stinking toilet and a galley filled with mouldy pans, Sandra faces the biggest cleaning job of her life. The second volunteer cleaner is Maxine, who hates clutter and spends up to four hours each day keeping her home looking pristine. Maxine meets retired librarian Dianne, who lives in a house in Norwich which she hasn't cleaned in three years. Dianne's kitchen is so bad, she eats breakfast in a cafe opposite. And Hayley and her fellow cleaners tackle some disgusting showers.

Alison, from Stamworth, Lincolnshire was diagnosed with OCD six years ago and spends more than 30 hours a week keeping her five bedroom home spotless. She makes her way to Waltham Cross, Hertfordshire, to help Dusty Rhodes. Helen, from East Sussex attempts to help Janet, from Luton, whose passion for haberdashery has taken over the house.

Gemma, who makes her Chihuahuas wear boots indoors, helps single mum Annia, a self-confessed hoarder in Norwich. And Dai meets Michelle and her menagerie.

The first volunteer is specialist crime scene cleaner Mick, who not only cleans up after murders and suicides, but also spends up to four hours a day keeping his one bedroom flat spic and span. Mick helps Rosemary and Julian with their cluttered and chaotic home in Northamptonshire. Professional motorbike cleaner Dave, from Surrey, spends up to three hours a day keeping his one bedroom flat immaculate. Straight lines are very important to Dave, so he straightens his towels and curtains regularly. Dave meets hoarder Les, who lives with a mountain of car boot purchases and junk in the West Midlands. And Hayley and the team clean some microwaves.

Medical scientist Kris spends over 22 hours a week keeping his three bedroom home in Wakefield germ free and he attempts to help single mum Edwina and her teenage daughter Natalie in Derby who haven't deep cleaned their house since they moved in nearly a ten years ago. TOCD diagnosed 41-year-old beauty therapist Fiona from Bedford attempts to help married couple Jenny and Paul in Surrey, whose three bedroom house has become overwhelmed with clothes, toys and games.

Lauren from Dunstable helps Sarah sort through ten years of unused toys, clothes and out-of-date food, while germophobe Emma visits John in his cluttered Peak District home.

Plumber Julie, whose loo is so clean you can drink from it, helps Ken in Norfolk. And full-time mum Krystal meets April, whose home has become swamped by clutter.

Lynsey, Mark and Amanda show how to make for a tidier, cleaner Yuletide, with good Christmas card management, evenly spaced festive decorations and a bacteria-free Christmas tree

Glamour model Kerry from Essex helps fellow Essex mum Vikki, whose toilet hasn't been cleaned in four years. And Tina from Slough helps Mike from Ipswich with his junk-filled home.

The first cleaning volunteer is 23-year-old council worker Dann, from Nottingham. Dann replaces his loo seat once a month and regularly bathes his cats in flea treatment. Dann helps out Charlotte and Dom, from Portsmouth, who haven't cleaned their flat in a year. The second volunteer is Angela, from Nottingham, who gets through three bottles of bleach a week. Angela meets Lorraine, from Scarborough, who hasn't cleaned her kitchen for two years. And OCD-diagnosed Alison takes on Helen to see who has the most spotless kitchen cupboards.

Caren, from Warrington, cleans for at least four hours a day and her cat is only allowed outside on a lead. Caren meets Linda and her son Matt, who have being living amongst grime for nine years and have out-of-date food from the 1990s. The second volunteer is OCD-diagnosed Jamie, from Somerset, who can't stand any form of clutter, uses so much bleach it burns his eyes and must check the door 16 times before he leaves home. Jamie meets Mick, from North London, who lives in a one bed flat filled with clutter and grime. But getting Mick to let go of his precious belongings is not going to be straightforward.

Ben spends up to two hours a day cleaning his kitchen hob despite the fact he has only used it once, and doesn't sleep in his bed for fear of creasing the sheets. He heads to Guildford, Surrey, to meet upholsterer and craft enthusiast Gerri, whose home is stuffed with three years' worth of material waiting to be upcycled. Also waging a war on dirt is Sarah, who became obsessed with cleanliness after having her first baby. She travels to Coventry to help brothers Andy and Mikk, but is shocked to find an untidy living room and a wall being used as a dartboard on her arrival.

Andy from Reigate, who weeds his patio daily, helps Hayley, who hasn't cleaned her microwave since the 90s. And garden designer Charlie helps Antoinette in Dorset with her clutter.

Amanda from Essex not only works 60 hours a week, but the 31-year-old also spends 20 hours a week on housework. Amanda meets Janine, also from Essex, who is a bit of a hoarder. Full time industrial cleaner Mark, from Leicester, spends more than 80 hours a week cleaning at work and home and has an obsession for colour coordination. He meets 58-year-old unemployed bargain hunter Avril, in Chiswick.

Sarah from Ely, has so much clutter that she has filled sheds, a gazebo and much of her house with her hoard. OCD diagnosed Louise, from Cambridgeshire attempts to help her. Adam from Essex, spends three hours a day cleaning his flat and attempts to help Lara, from Rochester, Kent, whose home hasn't had a proper clean in 12 years.

Denise, from Richmond, was officially diagnosed with obsessive compulsive disorder in 2002. She is taking four days out of her own cleaning regime to help 82-year-old retired British Aerospace engineer Frank from Chipping Sodbury. Linda has also recruited hairdresser Adam, who heads to Buckinghamshire to help Helen with her piles of clutter.

Richard from Hastings bleaches and cleans his fridge at least four times a week. He attempts to help dog minder Linda, from Brentwood, Essex, who can have up to ten dogs in her home at any one time. Louise, from Wiltshire, cleans her sink around eighteen times a day and travels to Swindon to help Michelle, who is a hoarder.

Tom visits Gareth, whose home hasn't been cleaned in 20 years. And Louise meets Paula in her chaotic Wokingham home.

Louise who spends up to thirty hours each week cleaning her house travels to Portsmouth to help Tim who only gives his kitchen a clean at Easter and Christmas. Victoria meets Lesley, who hasn't given her three bedroom flat a proper clean in nearly nineteen years.