Season 1

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

Anderson and Dr. Sanjay Gupta meet two sets of conjoined twins: one pair who are separated and the other who remain conjoined.

No overview available for this episode.

No overview available for this episode.

Anderson continues his conversation with four former teen members of the Fundamentalist Church of Jesus Christ of Latter-Day Saints; the Brown family of "Sister Wives."

No overview available for this episode.

Parents of young people who committed suicide because of bullying speak out; how to detect if one's child is being bullied.

No overview available for this episode.

Anderson explores a recently uncovered black-market baby ring involving surrogates and parentless embryos.

Women stand up and take their lives back after being abused by loved ones; the first U.S. face transplant recipient; the estranged wife of a former NBA star talks about the abuse she lived with and covered up for years.

No overview available for this episode.

No overview available for this episode.

Guests say they discovered that their husbands were leading secret lives; Anderson provides advice from an FBI-trained intelligence deception expert to help viewers discover if the people in their lives are lying to them.

No overview available for this episode.

No overview available for this episode.

No overview available for this episode.

"Dancing With the Stars" castoff Chaz Bono and a call from singer Cher; a "Toddlers & Tiaras" update; Anderson tries substitute-teaching a kindergarten class.

Anderson's mother, Gloria Vanderbilt, discusses surviving loss and rebuilding a life in the aftermath.

Actress Tracey Gold discusses anorexia; a 14-year-old special needs student records her teachers abusing and bullying her; singer Elton John surprises a fan.

Journalist Meredith Vieira and husband Richard Cohen; actress Betty White; actress Octavia Spencer.

A 14-year-old special-needs student recorded her teachers' abuse and bullying of her; actresses Valerie Bertinelli, Wendie Malick and Jane Leeves.

Comic Steve Harvey provides dating and relationship advice; winners of Anderson's family-dinner challenge prepare meals.

The cast of reality series "Dance Moms"; young Caylee Anthony's medical examiner, Dr. Jan Garavaglia.

Anderson helps families in crisis; financial adviser Suze Orman; a YouTube star.

Women pursue and even find love with convicted criminals; Dr. Mary Hamer, "guardian angel" of Joran Van der Sloot.

Pageant mothers from TV's "Toddlers & Tiaras"; a survivor of bullying.

Lottery winners lose it all and say winning millions of dollars ruined their lives; reality star Renee Graziano and the cast of "Bayou Billionaires" discuss the latest headlines.

Singer Dolly Parton; a "human lie detector" helps viewers get the truth.

A mother's family is on the verge of bankruptcy because of her compulsive shopping; whether a passion is an obsession.

How unemployment affects marriages and families; a nutritionist suggests making simple changes around the home to help one lose weight.

Entertainer Madonna.

Anderson tries to save a family from the devastation of excessive hoarding; reality stars Joan and Melissa Rivers.

A woman with obsessive-compulsive disorder describes her life; comic Howie Mandel.

A severe reaction to a bee sting ultimately leads a man to have gender-reassignment surgery; Anderson and a panel of women discuss why men cheat.

A woman discusses the shooting of her abusive husband; journalist John Quiñones introduces a social experiment.

A mystery illness affects teens in upstate New York towns; guests from the show "My Strange Addiction."

The stars of reality show "Teen Mom"; John Quiñones provides a social experiment.

A former criminal explains what makes certain people targets and how to protect oneself; reality star Shorty Rossi tells of serving 10 years in prison for attempted murder.

An interventionist puts an unhappily blended family through boot camp; a mother and daughter are at odds.

Entrepreneurs obtain collectibles from murder-related crimes and sell them online.

The moms from reality series "Toddlers & Tiaras" get pageant-style makeovers.

Singer Janet Jackson.

Actress Courteney Cox; the cast of TV's "Cougar Town."

The "Doomsday Preppers" tell why they believe the world will end soon and what they are doing to prepare; a man who lost his arm in an accident receives a bionic prosthetic and a surprise; reality TV star Karen Gravano; TV personality Jacque Reid.

Sex offenders tell how child predators operate and how to protect children; warning signs; how to talk to children about sexual predators; safeguarding computers and smart phones.

Reality stars Bob and Michelle Duggar and their 19 children; actors Lisa Kudrow and Blair Underwood.

Singer Adam Levine; a woman with fully functioning legs uses a wheelchair and explores ways to become permanently paralyzed by severing her spinal cord.

Teen Bobbi Kristina Brown's erratic behavior after the funeral of her mother, singer Whitney Houston; teens addicted to prescription pills; addiction specialists.

A man teaches his three teenage daughters to perform exorcisms; actor Jesse Tyler Ferguson.

A woman says she was duped, online, into signing away the rights to her daughter; a couple say they fell prey to an adoption scam; a father says he was cheated out of paternity rights; a viewer says her contractor stole more than $50,000 from her.

Dr. Mike Dow discusses people with food obsessions; comic Danny DeVito.

Stars of "Shark Tank" hear real business ideas from Anderson's audience; how to make money from a viral video; an online video of a 90-year-old grandmother dancing to Whitney Houston's music.

A teacher, a Girl Scout leader and a cheerleading coach tell of being fired for things revealed about their personal lives that they posted online; a woman refuses to give up her double life; how to behave in online social media.

Teen twins, one of average size and the other a primordial dwarf; a couple has collected more than 5,000 dolls.

Mothers have a heated debate about appropriate ways to treat children with ADHD; actress Kristin Davis.

Actress Julianne Moore; zookeeper Jack Hanna brings exotic animals; chef Andrew Zimmern brings bizarre foods.

Anderson confronts the owner of a website that provides a forum for people to publish whether someone has a sexually transmitted disease, sometimes erroneously; two women say their reputations were ruined when their names were added to the list.

Family members of convicted murderers and their victims; boxer Quanitta Underwood.

Actress Julianna Margulies; an online dating site encourages polygamy; a couple with five children look to add another wife to their family.

Dr. Sanjay Gupta discusses medical mysteries; Miss Piggy.

John Ramsey discusses the night his young daughter, JonBenét, was killed and his life afterward.

Tom Bergeron gives a special preview of the upcoming "Dancing With the Stars" season; reality star Bethenny Frankel; a woman who turned one simple idea into a billion-dollar company tells how to be an entrepreneur.

Reality stars Jennifer and Bill ("The Little Couple"); an "American Idol" castoff; an 85-year-old woman's restaurant review.

Video of a man trapped under an avalanche and his dramatic rescue; a flight attendant breaks down and tells passengers that their flight is doomed to crash; skydivers collide; actress Ashley Judd.

A family discusses a child who is deathly allergic to food; actress Kathy Bates.

A boy with severe food allergies; actors Jon Hamm and John Slattery.

A woman with a rare sleep disorder called Sleeping Beauty Syndrome; a sleep monitor that determines one's "sleep age"; how to get better sleep; actress Kristin Chenoweth.

Arranged marriages; a boy featured in "The Bully Project" talks about his experiences.

The latest eliminated contestant from "American Idol"; a Long Island woman claims she can communicate with the dead; actress Niecy Nash.

Mothers whose efforts are making a difference internationally; actress Kristen Johnston.

Reality TV star Robbie Montgomery and her son; dangerous distractions; headlines.

A hypnotist says simple mind tricks can ward off cravings and discourage a person from overeating; a financial specialist tells how to save money; families go to extremes to build their bank accounts.

Actor Jack Wagner and his newfound daughter, Kerry; people go to extremes with their pets; the "Lizard Lover" poses lizards for a living; what may be the world's smallest puppy.

Author Charles Duhigg discusses habits; people say social networking has saved their lives.

Actress Edie Falco; women who collect amazingly lifelike baby dolls; the latest "American Idol" castoff.

The former wife of the D.C. sniper; how to identify if someone is violent; reading body language to spot a liar.

TV personality Sherri Shepherd; the Trayvon Martin shooting; TV journalist Natalie Morales investigates child abduction with a hidden-camera experiment; actress Fran Drescher.

Shooting victim Trayvon Martin's brother and his family; a panel of legal experts discusses the case; a new test measures racial prejudice.

A doctor predicts whether a marriage will end in divorce; cameras follow a couple for a week to observe every interaction and argument; author Nicholas Sparks; the latest "American Idol" castoff.

A woman tells of killing the hit man her husband hired to kill her; the family of missing Susan Powell discusses the investigation; a forensics expert takes Anderson through a demonstration of a real crime-scene investigation.

Wives and ex-wives of professional athletes confront the founder of a website encouraging women to hunt down and pick up married men; Anderson meets brides whose nuptials were ruined by a hurricane and a wedding-dress scam.

The recipient of a woman's son's kidney shows up to paint her house; a woman who flushed her ring down the toilet finds it a year and a half later; how to improve one's luck; actress Debra Messing.

UFO believers and skeptics face off; actor Topher Grace.

Proceeds of Anderson's live auction go to charity; finding deals at flea markets and garage sales; actor John Cusack.

Cast members of "Amish: Out of Order"; actress Marilu Henner.

A woman who spent two decades in prison for a crime she did not commit faces being sent back; brothers whose father was charged with killing their mother; a mystery guest.

Women have plastic surgery in order to look like celebrities; actress Kate Walsh; a new high school helps teens struggling with substance abuse; co-host Kristen Johnston.

Actress Judi Dench; a hidden-camera investigation captures people reacting to rude situations; how to deal with rudeness and how to be assertive without being rude.

Actor Aziz Ansari; news headlines.

The husband of a soccer mom charged with running a brothel speaks out; actress Vanessa L. Williams and mother, Helen.

Anderson talks with a 19-year-old murderer, her parents and the parents of the victim.

Hidden cameras capture how people respond to women of different shapes and sizes; a blind dog was rescued from a trash heap; the "Anderson Adoption Club"; co-host Kristin Chenoweth.

A man and members of his community tell of learning that his bride had pretended to have cancer in order to pay for their wedding; a private investigator helps a woman to discover whether her husband is unfaithful; kidnap survivor Elizabeth Smart.

The polygamist family of "Sister Wives"; TV personality Kelly Osbourne; actors Linda Gray and Josh Henderson; band Lady Antebellum.

Hidden cameras capture mothers going to extremes to get their children modeling careers; talent judge Kelly Cutrone; actress Susan Sarandon.

Anderson's mother, Gloria Vanderbilt; actresses Chandra Wilson and Jessica Alba and their mothers; a mother survived a plane crash; deserving moms get surprises; maternal advice.

Three grandmothers take the Internet by storm; actress Rosie Perez; a former porn star exposes her 10-year-old son to her profession; TV producer Andy Cohen; co-host Niecy Nash.

Actress Jennifer Connelly; unusual phobias; Anderson challenges a spelling-bee champion to a competition.

Anderson participates in a "Jeopardy" tournament; people unjustly hounded by debt collectors tell their stories, and a former debt collector gives advice on how to keep from being a victim; avoiding ID scams.

Reality star Kim Zolciak helps bridesmaids confront an over-the-top "bridezilla"; Anderson challenges Serena Williams to a tennis match.

Outrageous, death-defying moments caught on tape; a mother says she captured teachers electrocuting her son at his school, and the school responds to her accusations; actress Suzanne Somers.

Attachment parenting; actress Mayim Bialik; actor Billy Bob Thornton; co-host Rebecca Romijn.

A woman has spent more than $400,000 on plastic surgery and encourages her children to have cosmetic procedures; a married man has a relationship with a lifelike robotic doll; singer Clint Black and actress Lisa Hartman.

Comic Ana Gasteyer; Dan and Laura Dotson of "Storage Wars" auction off a mystery locker; talk-show host Jimmy Fallon.

Actor Kevin Costner; members of the Hatfield and McCoy families; a woman who threw a commitment ceremony to herself.

Hidden cameras follow a woman through a department store to see how and why she shoplifts; some mothers drink alcohol during their children's play dates, which horrifies some other mothers.

TV personality Sharon Osbourne; a trainer tells of gaining 90 pounds in four months; co-host Carrie Ann Inaba.

Anderson goes beyond the hype to reveal the truth behind big health myths and the real medical dangers to avoid; affordable cleaning solutions; a 7-foot-8-inch man tells what life is like for him.

Taking human growth hormone is said to increase energy, aid in weight loss, and make one look younger; talented children, including an orchestra conductor and a fitness guru.

Anderson speaks with everyday people who have defied the odds and cheated death; a woman says her state government had her involuntarily sterilized.

Anderson looks back at the season's most outspoken people and outrageous situations; updates to the year's biggest headlines and memorable stories.