Dr. Phil sits down with Gary Giordano, who was considered the prime suspect in the disappearance of traveling companion Robyn Gardner in 2011 Aruba, and offers him a polygraph test.

Dr. Phil sits down with David and Cindy Barajas weeks after David was acquitted of murder charges in the shooting death of the drunken driver who killed their two young sons.

Dr. Phil sits down with Stephanie Hayden, daughter of Will Hayden ("Sons of Guns"), who has been accused of raping a 12-year-old girl, and continues his interview with the father acquitted of murder charges in a drunken driver's death.

A mother and her former live-in nanny come face to face on Dr. Phil's stage after the nanny refuses to leave the family's home.

Issy Stapleton's mother discusses her attempt to kill herself and Issy.

Issy Stapleton's mother discusses her attempt to kill herself and Issy; warning signs; how viewers can help Issy secure a healthy and productive future.

Sisters say their mother is leading a secret sex life while maintaining the facade of a happy marriage; she says they are stirring up drama with half-truths and misinformation and need to butt out.

Retired NFL player Chris Johnson discusses domestic violence and former teammate Ray Rice; Trichele says she shot and killed her husband in self-defense after years of domestic abuse.

Monica says her 13-year-old daughter is angry, violent and out-of-control; the girl says her mother is abusive and has kept her away from her father; Robin McGraw makes an announcement.

Renee videotapes her husband abusing her, sending him to jail.

Renee records her husband's abuse of her, sending him to jail; updates on memorable guests.

Jaime says she divorced her husband because he is abusive; he says she pushes his buttons until he blows up; they are considering reuniting for the sake of their child.

Actress Kelly Rutherford's children were ordered to live with their father in France; a 12-year-old has Tourette's syndrome.

Jean says her 17-year-old daughter was the all-American girl until she began dating a 28-year-old divorced father; a look at the man's history.

A woman needs help controlling her 7-year-old son.

A couple who got married after only eight weeks of knowing each other try to solve their marital problems.

A 70-year-old woman wants to move to Ghana to be with her online fiance -- even though they have never met.

Parents try to figure out why their teen daughter has daily, violent breakdowns.

Two women wonder if their mother really has multiple personalities -- or if she is just excusing her alcohol-induced bad behavior.

Trisha and Danielle say they are convinced that the heiress their father met online is really a "catfish."

Sharon and Robert say their 25-year-old son is so violent and explosive that they are afraid he might follow through with his repeated threats and kill someone.

A couple say they are being terrorized by an online hate group, led by a disgruntled former employee, after they closed their business.

A teen says she got pregnant on purpose so her family would have to accept her abusive 30-year-old ex-con boyfriend.

Lisa says her half-sister's web of deceit includes forging checks and lying about the deaths of her father and brother.

Dana, who has struggled with drugs in the past, is furious that her sister refuses to relinquish temporary guardianship of Dana's teen daughte

Parents say their 24-year-old son has extreme anger issues and threatens to kill them; he says they disrespect and antagonize him.

Professional locator Troy Dunn reunites Dottie with two of her three children who she says were abducted by their father four decades ago.

Megan says her father raped her while she was unconscious after a night of partying; both agree to take polygraph tests.

A couple say they are fed up with their adult son, who is lazy, unmotivated and still living at home on their dime; he says he wants to live on his own, but his part-time, minimum-wage job does not allow it.

Beth says her live-in boyfriend is a liar, cheater, alcoholic and narcissist who verbally abuses her daily, and she worries about the toll it is taking on their many children.