A man and his wife desperately hope he is not the father of another woman's child.

A man in a polyamorous relationship says he questions the paternity of both of his wives children.

A woman questions her daughter's paternity after the young woman gives birth to a child with 11 fingers.

After sleeping with multiple men in one week, a mother brings the two She Knows by name to paternity court.

Betrayed by his girlfriend and best friend, a man and his mom go to court to learn if he is the father of his ex's child.

After her husband tested negative for paternity of her child, a woman brings two more men to court.

A married woman hopes an affair did not produce a child out of wedlock.

A woman wants to prove to the man she thinks is her father that he truly is.

A Facebook message causes a woman to question who her father is.

A man wants to be sure that the child named after him is his son.

A man in her Court to see if he fathered an adult son he knew nothing about.

A young woman wants to prove a middle-aged pastor is her baby's dad.

A Georgia woman learns that her dad may not have been her biological father; an Arkansas woman is desperate to create for her son the family she never had.

After a 20-year search, a man thinks he has found his long-lost daughter.

An Ohio woman wants to establish that a married man is her child's father.

One man hopes he is the daddy, while another wants to sign his rights away.

A cheater is uncertain which of three men fathered her 11-month-old daughter.

A woman who had always thought her biological father was deceased learns that he may be alive.

Three men are potential fathers of a woman's daughter: her ex, a one night stand and a jailed man.

A woman wants to prove to her ex that he is her daughter's father, rather than a guy from her partying days.

A man who learned at age 13 that his dad was not his biological father wants a DNA test to convince a skeptical man he is his son.

A mother admits to cheating with her ex.

A veteran does not believe he fathered his first child at age 54.

A man hopes he is not the biological father because a positive DNA test may result in jail time for unpaid child support.

A woman thinks her ex is the father of her 2-month-old daughter, but he and his new girlfriend say they have heard rumors to the contrary.

After years of neighborhood rumors, a woman brings her mom to court to find out which cousin is her father.

A woman wants to prove to her boyfriend that he is the father of her 6-month-old daughter, but he has doubts after her family told him otherwise.

During a Christmas Eve dinner, a woman discovers a family secret.

A woman raised by her grandparents wants to know if either of two men is her biological father in time for her wedding.

A woman wishes to know whether her fiance fathered a child with his younger ex.

A woman is unsure which of two men is her father.

A man regrets signing a birth certificate and Demands a DNA test.

A man says if he were a father, it would be a medical miracle.

Two adults, born of different mothers, DNA test a man they think is their father.

A mother needs to DNA test her husband and a weekend fling to determine who is the father of her baby.

A man says he does not believe he is the father of his ex's child, because she got pregnant too fast.

A woman thinks her baby's father may be her mother's boyfriend.

The mother's ex says she is a "party girl" and he is only one of many possible dads.

A man thinks his girlfriend's internet fling may have fathered her baby; a woman learned at her mother's deathbed that her father may still be alive.

A man wants to know if he is the father of his fiancée's baby.

A woman wants to know whether her boyfriend or his best friend is her son's father.

Three Sisters confront a woman who claims she is also their father's daughter.

A woman's near-death experience drives her to find her father.

A woman is unsure which of her boyfriends is her son's father.

A woman says her mother's good friend may be her son's father.

Is struggling single mother wants to prove to her ex that he, not the maintenance man, is her baby's father.

After a woman comes clean about an affair, her husband doubts the maternity of her baby.

A woman wants to save her 10-year relationship by proving to her boyfriend that he fathered their third child.

A football player says his ex is pinning paternity on him to get a payday from his future NFL career; a woman's 20-year search hinges on a DNA test.

A man is desperate to find his father.

A woman wants her one-time fling to acknowledge paternity and step up as a father to their child.

A woman is shocked to learn that her 4-year-old's potential father was killed in a home invasion.

A woman tests three men who may be her son's father.

A woman learns that her parents' swinging past puts her paternity in question.

A woman confronts her husband's mistress.

A woman wants to prove that her sister's boyfriend is the father of her baby girl.

A man wants to know if he is the father of his fiancée's baby; a man hopes to solve a 30-year mystery and find out if he has a son.

Humans seek DNA test to find out whether their dad or his brother is their biological father.

A man and his mother confront his ex about her lies in the paternity of her daughter.

A woman was nine when she learned her dad was not her biological father, and now the man she believes is her father denies it.

A woman is furious because her boyfriend wants a paternity test for their daughter.

A California woman wonders which of two men bothered her baby daughter.

A man owes thousands of dollars in back child support for a son he says may not be his.

Three adults from two mothers bring a man to court to find out if he is the father of any of them.

A woman wants to prove that her two sons did not father children.

A woman's ex says he was out of town during the time of conception.

A married woman admits to sleeping with her co-worker; a mother defends her son from a woman who claims he fathered her child.

A woman learns that her mother cheated with the pizza man and he may be her father.

A man says that he is not the father of his ex's child and that she is just trying to rope him back into her life.

A woman steps out on her boyfriend in revenge and now needs a DNA test for her son.

A woman says she learned at her mother's deathbed that her father may be a famous singer.

A woman wants a DNA test to show her husband that he is the father of their 1-year-old son, while he fears that the babysitter is the father.

A deathbed confession causes a woman to question her paternity.

A woman wants to know whether her ex or a "friend with benefits" is the father of her baby.

A woman whose father left when she was a teen brings him to court for a DNA test and answers.

Two men want to be the father of a woman's son.

A man wants to prove he is not a boys biological father and does not want him to share his last name.

A woman whose ex-husband is focused on his "first family" hopes a DNA test will prove he is the father of her son.

A woman demands that her daughter's estranged husband take a paternity test for her 4-month-old granddaughter.

A woman discovered online that her uncle may be her father and seeks a DNA test for answers.

A woman says a short but passionate relationship with a now-married man resulted in her 3-year-old son; he denies paternity.

One woman wants to prove to another that her deceased son bothered a 1-year-old boy.

Updates on viewers' favorite and most memorable cases.

A man says he feels betrayed when his girlfriend has a baby that his roommate may have fathered.

Two women return to the show to learn if their father's secret affair left them with a brother.

A woman tests the man she believes is the father.

A man returns to test a second child after learning the first was not his.

A woman is given two due dates, 6 weeks apart — one pointing to her ex, the other to her fiancé.

A man does not believe he is the father of his on-again, off-again girlfriend's daughter.

Updates on the season's most shocking adult DNA cases: litigants tell how their lives have changed since learning the results of paternity tests.

A woman is heartbroken because her daughter's father doubts paternity.

A man has been told he is not a baby boy's father, and the mother is furious that she has to prove paternity.

A woman caught in a love triangle needs to know the father of her 10-month-old daughter and her unborn child.

A man wants full custody if it turns out that he is a girl's father.

A veteran returns from serving in Iraq to find that her husband doubts their child's paternity.

A struggling single mother wants to prove to her ex that he, not the maintenance man, is the father.

A woman is shocked when her boyfriend claims paternity of their newborn twins but not their older baby.

A man admits to a drunken night with a woman but says she was on birth control, so he cannot be the father of her baby.

A man doubts he is the father of his ex's child and wants back the money he spent on a baby stroller.

A Phoenix woman wants to convince a married man that he is the father of her four-year-old girl.

A 6-year affair casts doubt on the paternity of a woman's son.

A woman sues the man she believes is her biological father; he says she stole from him.

Sisters have DNA tests to prove whether the man who raised them is their father: one hopes he is, the other does not.

A man who thinks he may not be the father of his girlfriend's baby wants a DNA test and repayment for previously paid child support.

A woman wants to prove that her son is not the product of cheating.

Judge Lauren checks in on litigants involved in previously aired cases.

Judge Lauren Lake follows up with men who were disappointed, surprised or happy with their paternity test results.

The judge follows up with some past went against to see if their relationships survived the surprising results revealed.

The judge follows up with past litigants to reveal the effects the test results have had on their lives.

The judge follows up with past litigants to reveal the effects the test results have had on their lives.

The judge follows up with past litigants to reveal the effects the test results have had on their lives.

A woman hopes a DNA test will erase her ex's paternity doubts; a woman doubts the paternity of her son's wife's 2-year-old girl.

The judge follows up with past litigants to reveal the effects the test results have had on their lives.