20/20 Show Summary, Upcoming Episodes and TV Guide

A look back at the lives and careers of actresses -- and mother and daughter -- Debbie Reynolds and Carrie Fisher.

Entertainers and legends who passed away in 2016 are profiled, including Prince, Muhammad Ali, Florence Henderson, Fidel Castro, David Bowie, Glenn Frey, Merle Haggard, Pat Summitt, Arnold Palmer, Craig Sager, Gene Wilder, Doris Roberts and others.

Mark Carver, serving a life sentence for the 2008 murder of University of North Carolina student Ira Yarmolenko, speaks out.

The incredible story of Owen Suskind, a young man with autism featured in the recent documentary 'Life, Animated.' In 1994, when Owen was almost three years old he started to withdraw and eventually stopped speaking. At the time, not much was commonly known about autism, and Owen's parents, Ron and Cornelia, took him to a specialist who diagnosed him.

Journalist Gretchen Carlson speaks out about the sexual harassment she's experienced throughout her life; a former Wall Street trader talks about the sexist atmosphere he observed at work; lengths people will go to to prove harassment claims.

Babs Proller told ABC News' '20/20' that she hid a tape recorder during her conversations with federal prosecutors' star witness, Armando Morales.

Christopher Waide is convicted of the 2014 murder of 19-year-old Lea Porter and is sentenced to 48 years in prison; the report includes never-before-seen police interrogation videos, surveillance videos and crime scene photos.

After two trials, Kimberly Long was convicted of brutally murdering her boyfriend, Ozzy Conde, has spent seven years in prison, and, with the help of The California Innocence Project, she now has a new shot at justice. With her conviction overturned and the possibility of a third trial, 20/20 investigates whether she really committed this violent crime as the prosecution alleges. ABC News Correspondent Matt Gutman sat down with Kimberly as she tells her side of the story.

Friends, Family Stunned to Learn UNC Student Is Dead; FBI Develops Profile of Murdered UNC Student's Killer; Police Remain Confident They Will Find Faith Hedgepeth's Killer.

Diane Sawyer sits down with Elizabeth Vargas to discuss Vargas's secret struggle with alcohol and anxiety as revealed in her book 'Between Breaths: A Memoir of Panic and Addiction''; anxiety and alcohol abuse among Americans is examined.

Failed efforts to free American humanitarian aid worker Kayla Mueller from ISIS captivity following her 2013 kidnapping.

A suspect, Felix Vail, is investigated and tried for a 50 year old murder of his wife and the disappearance of two other women.

A family struggles to have their daughters apparent suicide reinvestigated as a murder

Dallas Ambush Shooting: From Peaceful Protest to Chaos; Dallas Shooting Suspect Wanted to Kill White Cops, Police Say; Black Parents on Talking to Their Kids About the Police.

Community Recovery czar Christopher Bathum is accused of sexual battery by former clients.

Bobby Brown on Forming New Edition, Then Solo Career; What Led to Bobby Brown, Whitney Houston's Divorce; Bobby Brown on Passion for Cooking, His Kids

With allegations of sexual misconduct spanning five decades from more than 50 women, it was only this past week that a Pennsylvania judge ruled that there is enough evidence to try Bill Cosby on criminal charges. Elizabeth Vargas brings the latest news in 'Cosby on Trial' - a legal battleground that now includes both civil and criminal actions across several jurisdictions - including Cosby's new defamation counterclaims against some of his accusers.

What happened to Kelsie Schelling? Twenty-one year old Kelsie mysteriously vanished into thin air in Pueblo, Colorado, over three years ago. The family says surveillance video, text messages and other evidence point to her boyfriend's involvement, yet, to their outrage, police have not yet classified the case as a homicide and have not charged him with a crime. But then a series of Facebook messages to Kelsie's mother raise new theories – is the missing girl's disappearance prompting someone to attempt extortion? '20/20' investigates and confronts those behind the mysterious plot and uncovers developments about what really happened to Kelsie.

Ron Miscavige, father of the Church of Scientology leader David Miscavige, speaks exclusively to ABC News Anchor Dan Harris about his son's journey within Scientology starting when the family joined in 1970, and then his ultimate rise to current leader of the Church. It is a rare look inside Scientology told by someone who lived it for more than 40 years, 27 of them working for the Church's Sea Organization. Ron Miscavige's experience with and ultimate break from Scientology in 2012 is recounted in his new revealing memoir, 'RUTHLESS: Scientology, My Son David Miscavige, and Me.'

What would drive a church-going Springfield, Missouri, woman and her daughter to fatally poison two family members with anti-freeze, and attempt to kill a third over a 14-month period? Diane Staudte and daughter Rachel both confessed to the murders of Diane's husband, Mark, and her son, Shaun, and attempting to kill her daughter Sarah, and are both serving life terms in prison. '20/20' takes viewers inside the case, revealing new details of the heinous murder plot. ABC News correspondent Deborah Roberts sits down with Sarah Staudte, the surviving victim, who describes how she discovered that her mother wanted her dead. The hour also features interrogation tapes of Diane and Rachel Staudte describing, in their own words, how and why they did it, as well as interviews with detectives, prosecutors, and friends and family members of the victims.

The 2012 shooting death of Ashley Fallis in her Colorado home is investigated to determine whether she was murdered or committed suicide.

ABC News' anchor Diane Sawyer has the first sit down television interview with actress Kate del Castillo. Del Castillo, the woman who was at the center of the controversy with Joaquin 'El Chapo' Guzman, discusses what happened and the danger surrounding the takedown of one of the most wanted men in the world.

A community theater actor tries to frame a veteran of the war in Afghanistan for the murder of a 23-year-old college student.

A jury decides the fate of Matt Leili four years after he was charged with the murder of his wife, Nique, who went missing from their home a week before being found dead.

After nearly 17 years, Sue Klebold, the mother of Columbine shooter Dylan Klebold, speaks on television for the first time ever about the tragedy, the victims, the relationship with her son and what it was like inside their home.

Investigative genealogist Pamela Slaton helps a man who was abandoned as a baby, a woman with a half-brother she has never met and a woman seeking her biological father search for their families.

The good and bad ways in which the lives of lottery winners changed; lottery winners discuss their paths to instant wealth.

When a wealthy doctor is found murdered in his Texas home, a tip leads investigators to the victim's girlfriend's ex-boyfriend.

A privileged teenager named Ethan Couch, who plead guilty to four counts of intoxication manslaughter, avoids jail time after psychologist Dick Miller claimed the young man's upbringing caused him to have 'affluenza'.

The Searchers: An investigative genealogist helps an army veteran, whose twins disappeared from his life in Korea more than 40 years earlier, find his children.

Mother and daughter reunion after 50 years, an unbelieveable injustice

Terrorist attacks on Paris

Actress Leah Remini reveals in an exclusive interview with ABC News '20/20' how Tom Cruise was one of the factors that led her to break from the Church of Scientology. 'Being critical of Tom Cruise is being critical of Scientology itself… you are evil,' Remini told ABC's Dan Harris in a new promotional clip from the interview. Remini, 45, describes how she and her family joined the Church when she was a young girl, built a successful acting career in Hollywood while being a diligent Scientologist, and how she eventually decided to sever ties with the Church.

'As time goes on, you start to lose touch with the real world. The mindset becomes ‘Us against them,'' Remini said. 'The decision to leave is you are giving up everything you have ever known and everything you have worked for your whole life.' The actress also details her 30-year association with the Church in her new memoir, 'Troublemaker: Surviving Hollywood and Scientology.' 'I feel that people need to understand this has been my whole life,' Remini said 'I want them to understand how it happens.'

The so-called 'affluenza' case of a Texas teenager who caused a fatal car accident that killed four people and severely wounded another made national headlines in 2013 when 16-year-old Ethan Couch's defense team used an unusual argument during the trial. During Couch's sentencing, a psychologist hired by the defense testified that the teen was a product of 'affluenza' -- a term used to describe Couch's irresponsible lifestyle associated with his affluent upbringing -- and that irresponsible parenting had 'strongly enabled' the accident, despite the fact that Couch had a blood alcohol level three times the legal limit on the night of the crash.

‘Shark Tank' Shark Kevin O'Leary Names His Top 5 Sales Techniques; What You Might Not Know About the Business of Mark Kay.

Melissa Moore, daughter of Keith Jesperson, was a teenager when she found out her father was a serial killer.

Investigative Genealogist Reconnects Lost Family Members; Why Did Chris McCandless Go 'Into the Wild'?

Insider Secrets at Restaurants and with Airplane Food.

Meet the teen who took on the popular coach, helping convict him of sexual abuse.

Author Rielle Hunter discusses her upcoming memoir and her relationship with former Democratic presidential candidate John Edwards.

Stories of people who took matters into their own hands to right a wrong.

They say good fences make good neighbors. But what about video cameras and the internet?

From an ex-HR exec to a porn-star-turned mom, confessions you won't believe.

From '50 Shades of Grey' to open marriages, what's going on with sex these days?

Yvonne Stern survived three hits put out by her husband's ex-mistress.

Does winning a lottery jackpot really buy happiness?

Just one week after police tracked down country star Mindy McCready, accused of kidnapping her five-year-old son, Zander, the country music star tells her side of the story exclusively to ABC News. On November 29, McCready, who does not have custody of her son, took him and fled to Arkansas during a visit with him. For the first time, McCready will reveal why she felt her son was in danger and the reasons behind the extraordinary lengths she took to keep him in her custody. She will also detail the dramatic moments when she and her son were discovered by police. The troubled star, now pregnant with twins, also explains the cryptic messages she sent early this week hinting that a judge found in her favor at a hearing in Arkansas.

Most polygamous families don't share their lifestyle with the outside world for fear of prosecution, discrimination and being shunned by their neighbors and the community - that is, until now. For the first time, the entire Darger family of Salt Lake City welcomes 20/20 into their polygamous home, risking prosecution to make their case for the right to freely practice their religion. Joe Darger, 42, has three wives and 24 children - but his family does not fit the stereotype of polygamists who wear 19th-century clothing and cut themselves off from the 'evils' of mainstream society. They are attractive, outgoing, educated and have successfully blended into today's society, with their children going to public schools and hanging out with non-polygamous friends and families.

Michael Jackson's death on June 25, 2009 stunned the world. To many, the fact that his personal physician, cardiologist Conrad Murray, was right by his side - being paid $150,000 a month to watch over a sleep deprived Jackson six nights a week - was also shocking. Now a jury must decide if Murray was negligent, ultimately responsible for Jackson's death.

For the first time since Bernie Madoff was arrested almost three years ago for orchestrating the biggest ponzi scheme in American history, bilking investors of billions of dollars, a Madoff family member breaks her silence and reveals never-before-heard family secrets. In an exclusive television interview, Stephanie Madoff Mack, widow of Bernie's son, Mark Madoff, who took his own life two years to the day after his father's arrest, speaks candidly and emotionally to ABC News Anchor Chris Cuomo about marrying into one of New York's most powerful families, living through the public humiliation of Bernie Madoff's financial crimes and coping with her husband's suicide. She also reveals for the first time a letter Bernie Madoff sent to her from prison after her husband's suicide.

In February 2008, 14-year old Brandon McInerney and 15-year old Lawrence King sat a row apart in 8th grade English. Just days before Valentine's Day, Brandon brought a gun to middle school and shot and killed Larry in front of his classmates. The unanswered question remains, why?

Everyone from stay-at-home moms to entrepreneurs, musicians and comedians are creating a new or second career and earning income by posting videos on YouTube. No longer do you need an agent or manager to launch a singing career or to publish a book. No longer do you need a company behind you to sell your ideas, products or how-to knowledge. Six years ago YouTube.com launched on the web and revolutionized video sharing. What began as a simple idea -- allowing anyone to upload and view videos, for free -- quickly transformed into a platform that connected the world. Now YouTube encompasses everything from how-to videos to entertainment, self expression, business and citizen journalism.

It was like a modern-day tale of Romeo and Juliet: A 14-year-old girl and 19-year-old boy fell madly in love, despite a parent's objection. But what happened next - a series of events that resulted in the murder of one of their mothers - was far from the ending of the Shakespeare play.

It was the 'puff' seen around the world: 13 million people watched a YouTube video of two-year-old Aldi, an Indonesian boy, puffing hungrily on cigarette after cigarette with his family looking on. But while many viewed the video with amusement and perhaps some shock, 20/20 traveled to Indonesia to find that Aldi is just the tip of the iceberg, just part of a much larger story.

Was it an accident or a suicide attempt at 80 mph on a highway that shattered one life and killed two other innocent people? Justine Winter was a 16-year-old straight-A student with a bright future. But one night, while breaking up with her boyfriend, she texted him that she wanted to end her life. Just a few minutes later, her car collided with a car carrying Erin Thompson and Erin's 13-year-old son, Caden. Both were killed instantly, yet somehow Justine survived and was charged as an adult with two counts of homicide. But was it? Did she deliberately kill a mother and her son, or did something else happen that night?

What happens to a family when a child's birth becomes a medical mystery? Barbara Walters reports on Kaylee Halko and Lindsay Ratcliffe, two vibrant young girls who suffer from a rapid-aging disease called progeria, a fatal condition that currently affects 80 known children in the world. The disease causes children to age at 10 times the normal rate. It is incredibly rare - occurring in only one of every four to eight million births - and always fatal. On average, children die at the age of 13.

Millions of viewers watched Diane Sawyer's landmark interview with Jaycee Dugard, who was kidnapped at age 11 on her way to school and held captive for the next 18 years, during which time she was repeatedly abused and gave birth to two daughters. Many of those viewers filled the ABC News message boards with remarks about her survival and resilience. Now Chris Cuomo takes a closer look at Dugard's healing process, which includes a special horse therapy that has been an essential part of her treatment.

For 26 years it was a secret... what happened to the missing baby of infamous murderer Diane Downs, whisked away from the hospital just after birth, never to be heard from again. And with that kind of past, what kind of the future would she have? No one knew what became of this innocent child until now. Rebecca Babcock, born of a killer, talked to 20/20 about being the seed of a monster and how that legacy has shaped her life.

In the cutthroat world of beauty pageants, where competition is fierce and the hint of scandal can cost you your crown, Blair Griffith was hiding something very personal. Last October Blair was crowned Miss Colorado in the Miss USA Pageant - the next shot was at the national title. But before her bags were even packed for the competition, a knock on the door upended her life. Her family, broke, was being evicted.

Private Channing Moss was on patrol in Iraq with members of his platoon from the 10th Mountain Division from Ft. Drum, NY when he was struck by an RPG that lodged in his lower abdomen -- but didn't explode. The soldiers' rulebook dictates, in this rare incident, that the wounded soldier should be moved aside and made as comfortable as possible, but that the lives of others should not be risked to save his life. A series of tough calls - all against the rules - then ensued.

How do you survive the emotional and physical scars of an explosive plane crash? Popular mommy-blogger Stephanie Nielson and her husband, Christian, recall in excruciating detail their story, from surviving the actual small Cesna plane crash, engulfed in flames, to their painful and long recovery, to how Stephanie overcame her depression and learned to be a mom again to children who did not recognize her.

Elton John and his partner, David Furnish, will sit down with Barbara Walters for their first major U.S. Television interview since the birth of their son, Zachary, this past Christmas. In the interview, John and Furnish will discuss why they wanted a child, how they kept the baby a huge secret until he was born, and how fatherhood has changed them both. They will also introduce Walters to Zachary, their four-and-a-half-month old son.

Former Chicago Bears star player Shaun Gayle speaks for the first time about the murder of his pregnant girlfriend and unborn child, gunned down at close range in 2007 by a woman who was secretly obsessed with him.

It was a case that stumped police: who beat Inna Budnystka, a young, blond cruise line worker in a Florida hotel, snuck her out of the hotel and left her for dead in a deserted cul-de-sac? Surveillance cameras captured her entering the elevator at the Miami hotel where she'd been staying, but she was never seen leaving again. When she regained consciousness, her statements to police were contradictory and confusing.

Is a television show and its main character giving some viewers the idea to act on dark thoughts? ABC News Correspondent Jay Schadler reports on two murders which may have been inspired by the hit TV crime show 'Dexter.' Schadler travels to Rising Sun, Indiana to interview Andrew Conley, who was convicted of killing his younger brother, Conner, and to Edmonton, Alberta in Canada, where Mark Twitchell is currently on trial for the murder of John Altinger. Twitchell, a filmmaker who made a short film about a fictional murder in a garage, is alleged to have returned to the garage to commit murder for real. It's alleged that his movie script may have been a template for an actual homicide.

Carmina Salcido was just three when her father, Ramon, a hard working, hard drinking vineyard employee, went on a killing spree, taking the lives of seven people, including her mother, two sisters, grandmother and two young aunts, plus a vineyard supervisor. According to the doctors who saved her life, Carmina's survival was nothing short of a miracle.

Did Michele MacNeill, a former beauty queen and mother of eight, really die of natural causes after falling unconscious in the bathtub, as her husband, Martin, suspected and police concluded? The medical examiner originally ruled death by natural causes, but is there more to this tragedy than meets the eye? Could Martin, a well-established local doctor, have been responsible, as his daughters Alexis and Rachel allege?

One Family's Desperate Attempt to Survive Nine Brutal Winter Days Lost In the Oregon Wilderness, with Little Food and Surrounded by Black Bears.

Who killed a popular school nurse and beloved mother of five from a picture postcard New England town on Mother's Day, 2009? Newly divorced Stacey Burns was viciously murdered in her bedroom, her body discovered by her two oldest kids. Could ex-husband and the father of her children, Ed Burns, have had a motive after going through a bitter divorce. Did her ex-boyfriend, Jim Vittum, have one after a recent break up? Or did someone else play a role in the murder? A year and a half later, New Hampshire State Police still have many questions left to be answered.

Whom to believe -- mother or son? Just hours after the drowning death of seven-year-old Adrianna Hutto, her six-year-old brother, AJ, had a horrific story to tell police about their mother, Amanda Lewis. He accused his mother of dunking Adrianna, drowning her in their Florida pool. But can AJ be believed, or was he coached into telling the damaging story?

In an ABC News investigation, Brian Ross tracks down the American fugitives accused of being part of a scam that has affected thousands of senior citizens. US officials say the swindlers, based offshore, have used new technology and the good name of the Make-a-Wish Foundation to rip off millions of dollars from unsuspecting Americans.

Chris Cuomo's Exclusive Television Interview with Bobbi Ann Finley, Who Allegedly Targeted More than a Dozen Servicemen by Marrying Them and Taking off with Their Money.

How can a person living a life many can only dream of suddenly become a cold blooded murderer? Kelley Cannon was an attractive, well-to-do debutante who lived in a grand house with beautiful kids and a loving attorney husband. But after a back injury left her abusing drugs and spending time in rehab, her world started to fall apart. First her husband, James, filed for divorce, than he won temporary custody of their four young children. After James was found dead in a closet, strangled to death by a phone charger cord, all eyes turned to Kelley. Was this once petite woman capable of killing a man -- the man she once loved - with nothing more than a phone cord?

Did an attractive yoga teacher from Maine try to kill her husband by beating him with a baseball bat as he slept, then shoot herself in a staged home invasion? Jim Avila reports on the heinous crime that stunned a small Maine community, and the trial of Linda Dolloff.

It has been a year since Michael Jackson's death and now, only on 20/20, what no one has yet heard, new intimate details from those who stood by his side right to the end.

Is it ever okay to take the law into your own hands? That question has divided a California community since the murder of a respected town businessman last February. Aaron Vargas, a young father about to be married, shot and killed Darrell McNeill - a former neighbor and the father of his childhood best friend - while McNeill's wife watched. But as the story unfolded, everyone in Fort Bragg, CA was stunned to learn of the alleged dark secrets kept for decades between the two men. Vargas told his family and the authorities that McNeill had sexually and psychologically abused him for years. Was killing McNeill revenge? Vigilante justice?

The only thing possibly worse than losing loved ones in a fire would be if you were falsely accused of setting the blaze. Yet that's what some experts say happens around the country when the wrong fire investigator determines arson based on outdated techniques. Is it what happened to Amanda Kelly? Kelly's world fell apart on a winter's day in 2001 when she was charged with arson, accused of setting a fire that engulfed her Alexandria, Louisiana home, killing her three children. She faced the death penalty.