22-year-old Keisha is addicted to chewing on urine-soaked diapers. Plus, meet 50-year-old Vladimir who is addicted to using leeches.

Season 3 begins with a man who shows his love for his car by buying it gifts and taking it out on dates; and a 28-year-old who has been sniffing baby powder for 16 years.

For the past 30 years, 44-year-old Theresa has been sniffing gasoline out of a water bottle. Her addiction has gotten so bad that she can’t go more than ten minutes without a sniff. 26-year-old Krista is a loving and caring mother… to her 12 teddy bears. Krista tends to her troop of teddy bears as any mother would: dressing them, caring for them and putting them to bed every day.

18-year-old Kailyn has eaten plastic every day for more eleven years – remote controls, CD cases, forks and water bottles are some of her favorites. She eats up to 15 pieces of plastic a day and even chooses plastic over food. 28-year-old Gloria has taken her addiction to bleach to the extreme – she bathes in it daily, pours it on her hand to smell while she’s out and will even tear into bottles at the store so she can get a quick fix.

26-year-old Casie has been so devastated by the sudden loss of her husband, Shawn, that she brings his urn with her wherever she goes. Her family is worried about her well-being, but does not know that Casie has taken her addiction to a shocking new extreme.

Meet twins who are so addicted to being identical that they weigh their meals to stay the exact same size, and a woman who eats mattresses.

Carrie, a 53-year old woman who does a lot more with her urine than flush it down the toilet. She drinks it, bathes in it, brushes her teeth with it and even rinses out her eyes with it.

Thirty-one-year old Lori has been addicted to sleeping with her blow dryer since she was eight years old. Although she finds the heat and sound comforting, Lori risks the chance of burning her skin severely or worse, starting an electrical fire. Kesha has admitted to eating half a roll of toilet paper everyday. Whether in the car, at the movies, or in a restaurant, Kesha seizes every opportunity to give into her addiction.

At fifteen, Kimberly started using laxatives to lose weight and is now addicted to them; Bianca craves pottery and ashes.

Three people take extreme physical and psychological measures to live as full time human dolls.

A shoe addict owns over 200 pairs and refers to them as her "babies." Also: a woman who with a hair-pulling problem is profiled.

Cyntrelle spends up to eight hours everyday cleaning her home; Belinda excessively collects rocks.

Over the past four years, Josh has consumed more than 100 glasses and 250 light bulbs. As if ingesting glass wasn't dangerous enough, Josh also swallows live bullets. Candice struggles with her addiction to skin bleach to lighten her skin. Discrimination at school and teasing from friends has her convinced she is ugly.

A woman insists on wearing her fur suit everywhere she goes; another woman has been eating couch cushions for 20 years.

A woman who drinks gasoline by the teaspoon; a woman obsessed with smelling a doll's head.

For the last six years, 20-year-old Mark has been addicted to his 15 inflatable pool toys as he eats with them, sleeps with them and even bathes them; Karmello has been getting black market butt injections for the last three years.

55-year-old Tom has been addicted to cycling for more than 25 years. He peddles at least 6 hours a day, seven days a week. He rides his bike at home, outside and even in his office as he works. Divya is an attractive 28-year-old with a very unattractive addiction to taxidermy. She spends her days and nights searching for animals on the side of the road and even keeps a freezer full of dead mice – despite the risk of disease.

44-year-old Teresa has been eating rocks for more than 20 years. She drives up to an hour away from her Virginia home to gather the stones she finds most appetizing. Tamara is a 33-year-old personal trainer whose been carrying around her childhood pillow for over 25 years. Tamara takes her pillow everywhere – to work, to the mall, on long walks – and considers it her best friend.

Trina and her husband Mike have done nearly 7,000 coffee enemas over the last two and a half years; Lisa has been addicted to licking her cat and eating clumps of hair for three years.

A man treats his life-size doll like a wife; a woman spends hours a day picking scabs on her body.

Man has uncontrollable urges of eating tires and finds himself running after cars and munching on said tires. He is often found late in parking lots devouring peoples precious tires. Michellin are is favourite. He says they are scrumptious. Girl uses vapor rub as lubricant causing burning sensations and painful urination. However, on the positive side, her privates have remained cold free since 1993.

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47-year-old Asha hasn't cut her 21-foot long hair in nearly a quarter century and spends up to six hours a day grooming her ten-pound locks. Meanwhile, 53-year old Margaret has stung herself over 50,000 times with bees.

Crystal has been eating household cleanser everyday since she was twelve. Her shame, embarrassment and concern for her health have caused her to keep this a secret. 20-year-old Samantha tans up to three times a day in tanning beds, in addition to tanning outdoors slathered in vegetable oil.

When April's fiance gave her the ultimatum "it's me or the puppets" - April chose the puppets. Not only do the puppets go everywhere she goes, she practices with them 12 hours a day. Debbie is severely allergic to cats, but has over twenty of them. Despite the health problems they cause and the isolation that comes along with being the "crazy cat lady," Debbie continues to choose the cats over herself since her husband's death.