Episode 1 - Trouble at the 7-11 Ranch

Josh Mankiewicz reports on the mysterious disappearance of a Colorado rancher.

Episode 2 - Left For Dead

The survivor of a horrible attack is convinced police have the wrong suspect.

Episode 3 - Tallahassee Trap

Dennis Murphy has the latest on the case of a Florida law professor murdered in his garage, including new details, newly-released evidence and bombshell testimony from a long-awaited trial.

Episode 4 - A Killer Role

After filming wraps on an indie horror movie, the cast members learn that their lead actress is not who she says she is and has been charged with killing her uncle.

Episode 5 - Lone Star Obsession

When a doctor is found murdered, investigators are stumped as to who would want him dead. Police discover simmering jealousies and a love triangle. Andrea Canning has the latest developments.

Episode 6 - The Dead of Night

A mother of two goes missing in Monrovia, California. As detectives investigate, the woman's friends and family reveal that she feared she was being stalked. Josh Mankiewicz reports.

Episode 7 - What Happened to Don Lewis

Episode 8 - The Client: A New Look

An Arkansas realtor goes missing after showing a house. When loved ones later receive mysterious text messages from her, they know something isn’t right. Andrea Canning reports.

Episode 9 - A Promise to Helene

When college student Helene Pruszynski is found murdered, her case remains cold for nearly 40 years until a new detective uses an innovative method to catch the killer. Josh Mankiewicz reports.

Episode 10 - Even the Devil Went to Church

In Morris, Alabama, faith is a way of life. But when a man is murdered, rumors involving a pastor begin to swirl and the truth ends up turning the community upside down. Andrea Canning reports.

Episode 11 - Return to Shalimar Way

When a woman dies after what appears to be an accidental fall in the shower, two friends join forces to seek justice on her behalf. Andrea Canning reports.

Episode 12 - Hope Whispers

After Ellie Green doesn't hear from her mother for a few days following an argument, she begins to worry. Then she learns her mother is dead. But is that the truth? Keith Morrison reports.

Episode 13 - The Eastlake Conspiracy

When Ohio resident Pat Sabo is offered $50,000 to kill someone hundreds of miles away, he calls the police to report the incident; acting quickly, investigators set up an elaborate sting operation to bring down those behind the murder-for-hire plot;

Episode 14 - 10 Minutes to Sunset

When a pediatric dentist is found dead, police uncovers a complex plot and their suspect leads investigators on an international manhunt; the lead detective speaks out for the first time;

Episode 15 - Voices for Vanessa

When a soldier, Vannessa, vanishes from Fort Hood, her family do everything they can to bring attention to her disappearance; Secretary of the Army Ryan McCarthy speaks about the investigation and allegations of sexual assault in the military;

Episode 16 - Point Blank

After Todd Chance is murdered, police follow a trial video evidence as they work to track down the killer;

Episode 17 - Race for a Vaccine

Top executives at Pfizer, Moderna, and Johnson and Johnson talk about plans for COVID-19 vaccine distribution and efforts to overcome public mistrust; interviews with key advisors from President Donald Trump and President-Elect Joe Biden's COVID-19 task forces;

Episode 18 - Far from Spider Lake

A 40-year-old Minnesota woman is shot to death in her bed, while her husband and teenage daughter are home, leaving investigators to wonder who would want her dead;

Episode 19 - Into the Night - Part 2

The latest in the case of a missing young Oregon woman, whose disappearance led to an intense manhunt, after a suspect embarked on a two-state crime spree;

Episode 20 - The Life and Death of Princess Diana

More than 2 decades since the tragic death of Princess Diana, Dateline reveals new insights into the real story of the very private royal, including a look at Diana's troubled marriage, her turbulent life in the royal family, and the investigation into her death;

Episode 21 - Journey for Justice

The families of George Floyd, Jacob Blake Jr, and Eric Garner open up together in a raw and emotional conversation about their pain, anger, and frustration over police violence;

Episode 22 - Open Water

A romantic Mediterranean cruise, which was intended to rekindle the love between a woman and her ex-husband, had led to the vanishing of her; the investigation would reveal secret recordings, a surprising star witness, and an undercover hit man;

Episode 23 - The Grudge

The deadly shooting at U.S. District Court Judge Esther Salas’ home that left her husband Mark injured and their son Daniel dead.

Episode 24 - Night of the Summer Solstice

Keith Morrison has the latest developments in the case of a 21-year-old UCLA student, whose body was found in an infamous Los Angeles area train tunnel in 1990.

Episode 25 - Lauren's Promise

When University of Utah athlete Lauren McCluskey is found murdered on campus, investigators learn that she had reached out to the campus police for help multiple times before her death. Josh Mankiewicz reports on the latest significant changes and consequences the school is facing.

Episode 26 - The Woman at the Bar

A nationwide manhunt is launched after a woman dubbed the “killer grandma” goes on the run through the Gulf Coast. Dennis Murphy reports.

Episode 27 - Shannon's Story

A college student goes missing in broad daylight from her off-campus job. As police begin to investigate, they receive a mysterious phone call that changes everything.

Episode 28 - Death of a Hometown Hero

Popular basketball player Lorenzen Wright is found murdered in 2010. His mother insists she knows who murdered her son and is relentless in her pursuit of justice. Andrea Canning reports.

Episode 29 - The Black Box (Repeat)

A coroner arrives at the scene of a car wreck to find a woman dead. He becomes suspicious when he notices unusual markings on her face. Was her death really an accident? Andrea Canning reports.

Episode 30 - Broken Circle

When the owner of a school promoted as a place to help troubled girls is accused of abusing students, his daughter must decide whose side she’s on. Keith Morrison reports.

Episode 31 - The Monster at Large

When Susan Woods doesn’t show up for work, she is soon discovered dead in her bathtub. As police search for answers, they find a trail of victims. Natalie Morales reports.

Episode 32 - Collateral Damage

Former NXIVM member Dr. Danielle Roberts defends branding members of the alleged sex cult; former members India Oxenberg and her mother, Catherine Oxenberg, open up about how they are doing, after the group's founder is convicted of felonies.

Episode 33 - Return to the Landing

In an attempt to move on from a tumultuous love triangle, South Carolina native Heather Elvis goes out on a first date on December 17, 2013. After returning home, she calls her friend Brianna. Heather is never seen or heard from again.

Episode 34 - The Life She Wanted

Witnesses see a woman handcuffed in a parking lot and taken into an unmarked car by a blond woman. But detectives can't find any record of an arrest. Where could she be? Josh Mankiewicz reports.

Episode 35 - The Woman with No Name

Amateur internet investigators, new DNA technology and a dogged investigator help police find a killer – and identify a victim for years known only as "Lavender Doe."

Episode 36 - The Waiting Car

Lead detectives in the murder investigation of University of Utah student MacKenzie Lueck speak exclusively to Keith Morrison about the case that made national headlines.

Episode 37 - Mommy Doomsday

Exclusive new interviews and details on the deaths surrounding Chad and Lori Vallow Daybell, a case Keith Morrison has been on since it drew national attention after Lori’s children disappeared.

Episode 38 - Sex, Lies, & Murder

When a woman is murdered, a web of sex and lies is uncovered, revealing a prominent family’s dark secrets. Detectives and an FBI informant tell Dennis Murphy about the case for the first time. Update of Secrets in the Suburbs (S20E45).

Episode 39 - The Phone Call

Kathleen Schroll makes a phone call that names her killer right before her death, it leads to the arrest of a father for murder. But two trials and 12 years later, authorities begin to wonder if he was the victim, not the villain.

Episode 43 - The Necklace

When a private investigator and former police officer vanishes, detectives think there may be more to the story when strange text messages start to appear... Keith Morrison reports.

Episode 44 - Killer Role

After filming wraps on an indie horror film, the cast and crew learn their killer star isn’t who she says she is. It’s a plot twist that reveals a real-life killer. Keith Morrison reports.

Episode 45 - Window of Opportunity

A Michigan community is shocked when a local mother is found stabbed to death. After the case goes cold for more than a decade, a bombshell reignites the investigation. Andrea Canning reports.

Episode 47 - Secrets by the Bay

A mother of two vanishes, and nearly two years later her body is found in the San Diego Bay, but medical examiners say she had only been dead for about a month or two. Keith Morrison reports.

Episode 50 - House of Horrors

After a mother and son are found dead, it takes nearly a decade to unravel the case. Andrea Canning reports the latest, including how a second investigation led to a new and unexpected arrest.