Authorities in Cancun, Mexico, say that vacationer Elijah Snow's death was an accident, but in an exclusive interview, wife Janie reveals the evidence she says suggests that he was brutally killed;

Jenaye meets the woman with whom her husband, James, cheated on their fifth wedding anniversary; Chelsey says that she believes that she has done nothing wrong -- and that she, too, is a victim;

Dustin and his family say that he's tried everything to recover from his eating disorder, but nothing has worked;

Emily says that her childhood was full of dysfunction because her mother, Linda, lived a double life as a suburban housewife and a drug addicted "madam", who oversaw two brothels that serviced rich and powerful men;

Dr. Phil gives self-help advice and strategies for a healthy life;

Gabby Petito's parents tell where they believe that Brian Laundrie may be hiding and what they hope happens to him, if he was involved in Gabby's death; their reaction to the latest developments in their daughter's case;

Dr. Phil welcomes back previous guest Heather and her daughter, Marissa, who is rebelling in dangerous ways, and reads a chilling text exchange, in which Marissa says that she has attempted to kill her mother;

Susan says that her daughter, Emma, has always had a troubled life of drugs and abuse and that things took a turn for the worse, when Emma's fiance died of an overdose, leaving her alone with her two children;

Carlea says that her brother, Jay, is an egotistical, untruthful narcissist who physically abused his baby mama, Cassie, and that her nephew deserves a better father;

Tom says that Teaka is cheating on him with his friends, neighbors, co-workers, and even the mailman; Teaka swears that she's never cheated on Tom and claims that he has turned her into a prisoner in their home;

Inspirational updates on memorable guests and highlights of some of the best moments of the past 20 seasons;

Dr. Phil catches up with memorable guests: a daughter who faked 10 pregnancies; an extremely violent 12-year-old; a former all-star athlete turned heroin addict;

Brittany claims that her dad, Charlie, is being scammed by his online fiancee; Charlie says that he gave his fiancee over $25,000 and that she hasn't paid him back, despite her promises to do so;

Danielle, 34, has had an extreme case of anorexia nervosa and bulimia for 20 years and has posed as a nutrition counselor advising others online on how to lose weight;

Sandi, 60, says that she will soon be flying to Nigeria to marry her 22-year-old soul mate;

Sandi's Nigerian fiance, Peter, 22, sits down to talk with Dr. Phil via satellite;

Tom and Christine's daughters say that their family is completely toxic, and that their dad is the reason for the family trauma because he's a sociopath, abusive, and an alcoholic; author Mitch Albom (book, "The Stranger in the Lifeboat");

Ariyanna says that her mother, Cornelia, locked her in the attic, abandoned her, and once, even resorted to water boarding; Cornelia says that Ariyanna is lying about some of her accusations and exaggerating about others;

Nancy says that despite the evidence that her son and daughter-in-law have shown her, she is adamant that she is not being scammed by the man with whom she is having an online relationship;

Nancy and her son, Darcy, speak face to face for the first time in over a year, and Darcy has been hiding a secret about his mother's online boyfriend, "Shaun"; updates from past guests who can relate to Nancy's story;

Cassie's daughter Britney helps Dr. Phil to get Cassie to see the real problem in the family;

Cassie insists that her teen daughter's behavior is the root cause of her family's dysfunction, even though her husband, Jonah, is addicted to drugs and alcohol;

Jessica and Ian's two children were removed from their custody, and they are trying to get them; Ian's mother, Pamela, says that one thing they should do is end their toxic relationship;

In 2001, a man was gunned down in cold blood, and a teenage girl named Kiera was convicted of his murder and sentenced to 60 years to life in prison;

Ed's family says that he had a long, successful career in the aerospace industry, but he snapped, leaving his home, marriage, children and job, and turning to a life of drugs and crime;

Lauren Dumolo, a young mother, seemingly vanishes into thin air; theories and questions continue to mount, as her last known whereabouts do not add up; family members say that they believe there's foul play involved;

Marie says that her daughter, Willow, is causing so much chaos in her life that her house is a war zone and she had to move her younger son out for his safety; she worries that Willow will kill her someday;

Holly's intense dedication to her alcoholism recovery program may be alienating her family; the singer Victory from "America's Got Talent";

Dr. Phil welcomes guests from different backgrounds to discuss the "Guest Resignation" and the phenomenon of "rage quitting"; money expert Mandi Woodruff Santos; Harvard Business School Professor Tsedal Neeley;

Monica's life consists of lying in bed, unable to eat solid food due to C diff; her mother, Stephanie, says that taking care of Monica has become a full time job, and gets accused of enabling her;

Taylor says that she experienced flashbacks of childhood sexual abuse a few years ago, after seeking therapy for depression and anxiety;

Taylor, who accuses her father, Larry, of sexually abusing her -- which he vehemently denies -- tells what she claims to remember from her flashbacks; the results of Larry's polygraph test;

Shelly says that her husband, Oggie, is always giving in to their 6-year-old daughter, Madison, because he hates any type of confrontation, but they both agree that their daughter is running the house;

People say that they do not identify with gender binaries of "he" and "she" and prefer to use pronouns such as "they"; a guest raises their baby as gender neutral;

Young people say that they are cryptocurrency millionaires; financial expert Jeffrey Robinson says that cryptocurrencies are a scam and detrimental to the environment;

Tiffany says that her fiance, Marques, forced her to expose him as a narcissist on social media; Marques says that she has fabricated online content and left out important details, in an effort to make him look bad;

Marc secretly monitors his wife, Nicole, and says that he has more than 200 pieces of "irrefutable evidence" of her infidelity; she swears that she's been faithful, and the whole thing is in his head;

Bill reunites with his brother Tom and daughter Bridget, who have both stopped speaking to him;

After surviving electrocution, Carly exhibits odd and extremely troubling behavior; her stepdaughters say that she is faking it to further gain their father's attention; the results of an in-depth brain scan;

Ida and her daughters want to break the generational legacy of abuse, mental illness, and assault;

Jane's online boyfriend, Jonathan, tells her that he is stuck on a construction site in Miami, and she has sent him nearly $1 million and put her house on the market, planning to send him more, then move to Miami to live with him;

Jane has sent her online boyfriend, "Jonathan", close to $1 million; Dr. Phil sends a producer to Miami to look for "Jonathan", who said that he is stuck on a construction site; the man in the photos of "Jonathan" talks to Jane;

Social media and mental health; many people use social media in an attempt to feel better about themselves; the use of filters on pictures and videos: what it's doing to the culture;

Tommy accuses longtime wife, Rachel, of cheating on him with multiple men, having a drinking problem, and hiring a hitman to have him murdered;

After having a tumor removed from her brain, Esther made a full recovery but has debilitating panic attacks and is tired of her parents treating her like a child; NFL Fox reporter Jay Glazer tells of battling anxiety and depression;

Linda's sister says that the stress of raising a second grandchild and her adult daughter's instability have left Linda with terrible health issues;

As a string of high-profile stories dominates the news, Dr. Phil addresses the complex issue of suicide; family members left behind discuss working through their immense grief;

Pattie says that her son, Ridge, began experimenting with drugs and alcohol at college, and after a particularly severe hazing incident, he came home with odd behaviors and tics that he never had before;

Brenda's daughter, Autumn, lives off the grid somewhere in the desert in Arizona, without housing, money, or a job;

Cecile and Fenda (Netflix's "The Tinder Swindler") say that they believed that they had met Prince Charming on Tinder but had no idea that they were dealing with an international con man who would steal their life savings;

A panel of experts discuss the prosecution, sentencing, and release of Jussie Smollett, and the infamous slap between Will Smith and Chris Rock at the Academy Awards;

Journalist Alicia Quarles discusses the case of fake German heiress Anna Delvey;

Dr. Phil interviews Anna Delvey from the detention facility where she is currently being held; a friend of Anna's speaks out; Dr. Phil meets the videographer who traveled with Anna on a lavish vacation in Morocco;

Donna says that ever since she gained guardianship of her three grandchildren, 14-year-old Emilie has been out of control, so she sent her to live with Nancy, her mother; the grandchildren say that Emilie is not the problem;

Valerie was evicted from her apartment and lost almost everything she owned; daughter Heather says that her mother is choosing to live in a tent on the streets, drinking two bottles of vodka a day;

Sisters Erica and Jean say that their 76-year-old mother, Blanche, takes too many medications, and they are worried that she will hurt someone else, as she has been in several car accidents;

Pregnant Danielle says that her husband, Josh, has repeatedly cheated on her and been physically abusive in front of their two young children; Josh blames his bipolar disorder for his bad behavior;

Chisty says that her 17-year-old son, Cameron, is disrespectful and has been physically and verbally abusive toward her; she worries that once he turns 18, he'll end up in jail or dead;

Exploring the 2015 disappearance and subsequent death of 18-year-old Ebby Steppach;

Catlin says that she has a constant fear of death, and goes to the hospital several times a day to make sure that she isn't dying; she claims that her husband, Keaton, has been talking to other women while she has been in hospitals;

Members of the public and law enforcement discuss the perceived lack of safety on American streets and the rising conflict between civilians and police; singer Clare Dunn says that she was assaulted by a rideshare driver;

After a mass shooting at an elementary school in Uvalde, Texas, in which two teachers and 19 children were killed, Dr. Phil dedicated his show to speaking out about how these senseless acts of murder must stop;