Dateline: Unforgettable - Season 1

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Secret Lives

1 - Secret Lives

Air Date: March 8, 2021

When Jen Ramsaran disappeared, police searched online for clues and wondered if she escaped the real world for a fantasy world; journalist Andrea Canning covered the case in one of her first assignments for "Dateline."

Mystery in Orange County

2 - Mystery in Orange County

Air Date: March 9, 2021

After a young Army veteran disappeared, detectives uncovered a cryptic 911 call placed 11 days before she went missing, which exposed a twisted story — and the truth; reporter Josh Mankiewicz recalls the case.

The Client

3 - The Client

Air Date: March 10, 2021

Andrea Canning recalls the twists and turns in the case of Beverly Carter, a top-selling realtor who went missing after showing a house -- when her friends received mysterious text messages, they knew something was wrong.

Lauren's Promise

4 - Lauren's Promise

Air Date: November 23, 2021

It is a case Josh Mankiewicz cannot forget because, while a student-athlete did everything right to keep herself safe, others did not; after she was found murdered, investigators learned she reached out for help multiple times before her death.

The Grudge

5 - The Grudge

Air Date: November 30, 2021

Andrea Canning reflects on a story that reminded her how people can be vulernable and how quickly life can change; she speaks with Judge Esther Salas about the knock at her door that robbed her of the most important thing in her life

Conduct Unbecoming

6 - Conduct Unbecoming

Air Date: December 14, 2021

A man with both power and prestige managed to fool everyone, right up until his arrest.

And Then There Were Three

7 - And Then There Were Three

Air Date: December 21, 2021

The case involved detective work so unique, it managed to stay with Dennis Murphy for years; days before Christmas, Michelle Martinko was visiting the mall when she was found stabbed to death; investigators found her killer almost 40 years later.

Collision

8 - Collision

Air Date: December 28, 2021

Andrea Canning reflects on a case fueled by a rage so hot, it is seared into her memory; the battle between a wife and a mistress for one man's heart led down a deadly path, to a showdown on the highway.

Voices for Vanessa

9 - Voices for Vanessa

Air Date: January 4, 2022

A case that reveals an ugly secret about life in the military and one Andrea Canning will not forget; when soldier Vanessa Guillen vanishes from Fort Hood, her family brings attention to her disappearance and revelations inspire a movement.

She Never Left

10 - She Never Left

Air Date: January 11, 2022

Aaron Fraser was 3-years-old when his mom disappeared. Authorities believed that he witnessed her murder, yet the truth stayed buried. Haunted by the memory for more than two decades, Aaron eventually made a discovery that unlocked the mystery.

Into the Night

11 - Into the Night

Air Date: January 18, 2022

Keith Morrison won't soon forget a frantic three days in 2016, when a woman's disappearance in Oregon set off an intense manhunt. The suspect's 60-hour crime spree included carjacking, abduction and murder.

A Texas Twist

12 - A Texas Twist

Air Date: January 25, 2022

Against all odds, a young woman survives a brutal attack on her and a friend in a park, and while DNA points one way, a bombshell message points another.

At the Bottom of the Lake

13 - At the Bottom of the Lake

Air Date: February 1, 2022

Keith Morrison looks back on this haunting mystery he reported on for more than 10 years. A pilot flees following a plane crash, becomes a fugitive and lives a double life for decades.

The Goldfinger Mystery

14 - The Goldfinger Mystery

Air Date: February 8, 2022

A couple who made a fortune in gold was headed for divorce when the wife was murdered. How she was killed made this case unforgettable for Josh Mankiewicz. A video that seemed to provide an alibi ended up pointing police to the killer.

Shannon's Story

15 - Shannon's Story

Air Date: February 22, 2022

It's a chilling story unlike anything Dennis Murphy has seen before, or since. A beautiful college student goes missing from her off-campus job. A week later, investigators receive a mysterious phone call that changes everything.

The Perfect Guy

16 - The Perfect Guy

Air Date: March 1, 2022

Andrea Canning reflects on this cautionary tale that still inspires her today. A man steals millions of dollars conning women and businesses over 25 years. One woman brings together a group of his victims to hold him accountable and face justice.

Frantic

17 - Frantic

Air Date: March 15, 2022

Josh Mankiewicz wanted to return to this case because the very thing Christina Morris feared most became her living nightmare. She went out with friends and vanished. Police questioned everyone, hoping the truth would lead them to her body.

Finding Venus

18 - Finding Venus

Air Date: March 22, 2022

A case with a plot so diabolical, Dennis Murphy had to revisit. Venus Stewart stepped outside her door and vanished. Investigators suspected her ex, but he had an alibi. Then a video gamer’s tale had detectives seeing double and exposed the truth.

The Black Box

19 - The Black Box

Air Date: March 29, 2022

Andrea Canning reflects on a story that hits close to home for her because of where it takes place. A coroner arrives at the scene of a car accident to find his friend deceased and begins to think her death looks suspicious

Deliberate Evil

20 - Deliberate Evil

Air Date: April 5, 2022

Josh Mankiewicz returns to a case that took six years to report. A woman is found murdered after her friend hears her screaming on the phone. The case sits cold until the mysterious death of her boyfriend’s twin brother leads police to a suspect.

At The Edge of Town

21 - At The Edge of Town

Air Date: April 12, 2022

When a college student is found dead after a party, his mother is determined to find out what happened. What follows is one of Dennis Murphy’s most memorable stories, as this tenacious mom fights to get her son’s case in front of a jury.

The Interrogation

22 - The Interrogation

Air Date: April 19, 2022

A mother and son die in a house fire. A man confesses to their murders, but later says he was coerced. Keith Morrison returns to the case for an extraordinary look at the interrogation and the circumstances that could lead to a false confession.

Unchecked Evil

23 - Unchecked Evil

Air Date: April 26, 2022

A case Andrea Canning will never forget, because it revealed an unbelievable blind spot in law enforcement. Reagan Tokes worked a late shift at a local restaurant, then went missing. What happened to Reagan left her family and a city outraged.

Mystery at Heath Bar Farm

24 - Mystery at Heath Bar Farm

Air Date: May 3, 2022

Josh Mankiewicz returns to a case with a twist no one saw coming, including him. A popular teacher was killed in her home. There was an arrest, a trial, and a verdict. Then came the bombshell that gave a convicted murderer his chance at freedom.

The Collector

25 - The Collector

Air Date: May 10, 2022

A beloved couple was found murdered among a lifetime of valuable collectables in their home, an extraordinary place Dennis Murphy wanted to look back on. Investigators wanted to know if there was a connection between the memorabilia and the murder.