Dateline: Unforgettable

IMDb TVDB Trailer
  • :
  • : 102
  • : 7
  • NBC
  • 20
  • Crime Reality

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2x1
Under The Desert Sky
Episode overview
A case Keith Morrison can't forget that's about more than rage or someone's hidden dark side. A teen's murder shakes a Nevada community, especially when two unlikely people confess.
2x2
The Officer's Wife
Episode overview
A police officer's wife was shot to death in her bed. Her parents were certain investigators had it wrong and their determination to untangle the mystery made the case unforgettable for Josh Mankiewicz.
2x3
The Eastlake Conspiracy
Episode overview
Investigators set up an elaborate sting operation to stop a murder-for-hire plot. Andrea Canning says the chilling recordings are extraordinary because of how ordinary the people involved were acting while planning an execution.
2x4
A Novel Defense
Episode overview
A man charged with murder claims it was impossible for him to have committed the crime. For Dennis Murphy, the surprising courtroom strategy provides a memorable twist.
2x5
Smoke And Mirrors
Episode overview
Keith Morrison reflects on the case of a Chicago woman from a big family who went missing. Investigators began to suspect a man in her life was full of secrets.
2x6
Somebody's Daughter
Episode overview
A detective makes it her mission to find dozens of women who vanished on the streets of Albuquerque, New Mexico. For Josh Mankiewicz, her resolve makes this story unforgettable.
2x7
The Last Dance
Episode overview
After shedding hundreds of pounds, a popular kindergarten teacher goes missing. Investigators find a link between her weight loss and her disappearance. The case ranks as having one of the craziest motives Andrea Canning has heard.
2x8
Return to the Lonely Road
Episode overview
This case has stayed with Dennis Murphy since he first reported on it: A determined young woman searches for answers in her mother’s mysterious death. Her decades-long quest leads to a dramatic courtroom decision.
2x9
The Man Who Talked to Dogs
Episode overview
Investigators track down a suspect in the disappearance of a celebrity dog trainer. Keith Morrison reflects on the fractured love story at the center of this mystery.
2x10
Out of the Darkness
Episode overview
A wife calls 911 to report her husband has been shot on a country road in Texas. What she told investigators next makes this case memorable for Josh Mankiewicz.
2x11
Justice for Nikki
Episode overview
Andrea Canning looks back on one of her most memorable cases where a fitness tracker helped detectives solve the mystery of a young woman's death in Wisconsin. Andrea confronts the killer in a tense interview.
2x12
House of Secrets
Episode overview
When a star athlete at an Ivy League university goes on trial for murder, sparks fly in the courtroom. The trial ends with a stunning decision that Dennis Murphy will never forget, but the surprises in the case are just beginning.
2x13
The Black Widow of Lomita
Episode overview
A California woman's two former husbands are mysteriously murdered nearly 20 years apart; Keith Morrison reflects on the case that sent him halfway across the world on a hunt for answers.
2x14
The Pink Gun Mystery
Episode overview
When a complicated Texas love triangle ends in murder, a pink gun leads to an arrest. New evidence makes investigators rethink the case. Josh Mankiewicz has reported on two-timing before, but this case had a twist he has never seen.
2x15
Even the Devil Went to Church
Episode overview
When a small-town Alabama resident is murdered, rumours involving a local pastor begin to swirl. Andrea Canning reflects on this story that feels to her like a steamy soap opera playing out in real life.
2x16
The Day Jennifer Disappeared
Episode overview
Dennis Murphy reported on the twists and turns of the Jennifer Dulos case as they happened. He offers candid insight into his one-on-one interview with the prime suspect: Jennifer's ex-husband, Fotis Dulos
2x17
In the Dead of Night
Episode overview
For Keith Morrison, this case stands out as an unusual mystery; the crime seemed arbitrary with no apparent motive; there was a confession which might have ended the investigation but that was only the beginning.
2x18
A Promise to Helene
Episode overview
A college student is found murdered and the case sits cold for nearly 40 years; Josh Mankiewicz reflects on the vow that keeps the case alive and the innovative method used to catch the killer.
2x19
Death of a Golden Girl
Episode overview
An aspiring Playboy model is murdered in Miami; a seven-second clip of her final moments alive is captured on security video and may contain key clues; the haunting images make this one of Dennis Murphy's most memorable cases.
2x20
Secrets From the Grave
Episode overview
A man claims his wife died by suicide. A suspicious house fire 24 years later raises doubts. Josh Mankiewicz remembers the suspect who could not stop talking.
2x21
Fallen
Episode overview
When a pastor loses a second wife in an accident, authorities become suspicious. Dennis Murphy returns to this unforgettable story of evil and betrayal, wondering how far this a man of God might have fallen.
2x22
The Box
Episode overview
Years after a Montana man is found dead, his son searches for answers. Keith Morrison cannot forget that son who opened a box, and faced a terrifying family secret.
2x23
The Creek
Episode overview
After a 15-year-old girl disappears, investigators discover a creek where the local teenagers hang out. This hideaway may hold answers. Dennis Murphy looks back on the case that kept him guessing until its astonishing conclusion.
2x24
Mystery on Blood Mountain
Episode overview
Dennis Murphy reports hiker Meredith Emerson goes missing on Georgia's Blood Mountain on New Year's Day 2008. Law enforcement officers become concerned after finding a police baton with some her possessions on a trail.
2x25
The Betrayal of Sarah Stern
Episode overview
Keith Morrison revisits a story that has haunted him for years. When detectives find a missing woman's car abandoned on a bridge, their investigation uncovers a tangled plot involving money, friendship and a deadly betrayal.
2x26
The Dead of Night
Episode overview
A mother of two vanishes in Monrovia, CA. As detectives investigate, the woman's loved ones reveal that she feared she was being stalked. For Josh Mankiewicz, cases like these are all too familiar, and that's a tragedy he just can't shake.
2x27
Deadly Valentine
Episode overview
Nathan and Denise Leuthold built their family on faith, but suddenly one of them was dead and the other was under suspicion. It's a story that stays with Andrea Canning, both because of what happened and when it happened: Valentine's Day.
2x28
Down the Back Staircase
Episode overview
When a novelist's wife is found dead at the bottom of the stairs, investigators wonder if it is an accident or murder; Dennis Murphy interviews main suspect Michael Peterson and returns to the case with insight only he can share.
2x29
The Ranch
Episode overview
Eduardo Valseca is taken hostage in an orchestrated abduction; Keith Morrison reflects on the family he spent years following; what happened to them might have destroyed many, but not the Valecas.
2x30
What Happened to Amy?
Episode overview
For more than 30 years, Ohio investigators have searched for answers in the murder of 10-year-old Amy Mihaljevic. The details of the case still haunt Josh Mankiewicz. Now he and investigators are enlisting your help to solve it.
2x31
The Secret of Spirit Lake
Episode overview
An advocate for missing and murdered Indigenous women searches for answers in the disappearance of her niece and exposes cracks in law enforcement. Andrea Canning looks back on this important story, one that became her passion project.
2x32
The Plan
Episode overview
A double homicide in upstate New York leads detectives on a cross-country investigation; Dennis Murphy reflects on a story full of twists and turns, including the surprising suspect at the center.
2x33
The Haunting
Episode overview
Two intruders stormed into the Douglass house in October 1979, robbing the family and chillingly shooting all four as they lay face down on their living room floor.
2x34
Internal Affairs
Episode overview
When a popular graduate student is shot dead in Durham, N.C., detectives uncover a deadly love triangle; it takes a lot to surprise correspondent Josh Mankiewicz, but the claims are shocking.
2x35
Return to Manitowoc County
Episode overview
It has been more than 15 years since Teresa Halbach disappeared on a photography assignment for Auto Trader Magazine, but some still question the convictions of the two men found responsible for her murder.
2x36
Twisted
Episode overview
When an Iowa woman is attacked while home alone with her three children, the confrontation turns deadly; Dennis Murphy examines one of the most sophisticated criminal plots of his "Dateline" career.
2x37
Good & Evil
Episode overview
After a young woman's body is discovered at a trash facility, a detective promises justice and comes face-to-face with a serial killer; Keith Morrison revisits the case.
2x38
The House
Episode overview
A woman finds her father, a former FBI agent, murdered at his house; after digging into his past, police suspect the killer might be close to home; for Josh Mankiewicz, the toxic marriage at the heart of this case makes it unforgettable.
2x39
Breakout
Episode overview
When a Kansas prisoner escapes in a van driven by a volunteer, investigators scramble to track down the pair; Andrea Canning likens this story to a bunch of Hollywood blockbusters rolled into one, but it's as real as it gets.
2x40
Family Affair
Episode overview
The heir to a legendary hotel is brutally murdered, and detectives learn he had no shortage of enemies; Dennis Murphy takes a fresh look at this extraordinary investigation, a hunt for a killer he calls the most ruthless he's ever seen.
2x41
The Women and Dirty John
Episode overview
Debra Newell thinks she found Mr. Right, but her daughters sense something wrong about John Meehan; their search for answers exposes a dangerous con man and deceit that runs as deep as any Keith Morrison has covered.
2x42
Open Water
Episode overview
A Mediterranean cruise meant to rekindle the love between a woman and her ex-husband leads to her disappearance; the investigation reveals secret recordings and an undercover hitman; Josh Mankiewicz reflects on the cold-blooded crime.
2x43
The Silhouette
Episode overview
Debbie Kelly and Lars Itzo make their marriage of opposites work; when Debbie is killed, there is no question about who shot her, yet the explanation of why is one of the most confounding Andrea Canning has heard.
2x44
The Sting
Episode overview
Newlywed Dalia Dippolito comes home from the gym to find out her husband has been killed; in a case Dennis Murphy will never forget, almost nothing is as it seems; he explores whether Dalia was a pawn in a hoax gone wrong or simply diabolical.
2x45
Deadly Desire
Episode overview
They were two beautiful families living out their dreams, but gunshots in a parking lot revealed an ugly truth. Detectives uncovered three lives tangled in a love triangle. Keith Morrison finds the tale of deceit and betrayal unforgettable.
2x46
Plot Twist
Episode overview
For a group of stage actors, life seemed to be imitating art in the worst way when a college student was killed. Police believed they knew who was responsible, but a twist was in store.
2x47
The Life and Death of Princess Diana
Episode overview
Andrea Canning looks back on the royal who has fascinated her since childhood, Princess Diana. She explores Diana's real story, including a look at her troubled marriage, turbulent life and the investigation into her death.
2x48
The Last Dive
Episode overview
A couple takes a scuba-diving trip to the British Virgin Islands; on their last dive, one of them surfaces but the other does not; police quickly suspect the drowning was no accident; now Dennis Murphy gives this unforgettable story a second look.