Dateline Unforgettable

Dateline Unforgettable

Oxygen True Crime Running

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Seasons & Episodes

Season 1

25 episodes

Season 2

48 episodes

E01

Under the Desert Sky

Wed, May 18 2022 12:00 AM GMT+0000 120 min

E02

The Officer's Wife

Wed, Jun 15 2022 12:00 AM GMT+0000 120 min

E03

The Eastlake Conspiracy

Wed, Jun 22 2022 12:00 AM GMT+0000 120 min

E04

A Novel Defense

Wed, Jun 29 2022 12:00 AM GMT+0000 120 min

E05

Smoke and Mirrors

Wed, Jul 6 2022 12:00 AM GMT+0000 120 min

E06

Somebody's Daughter

Wed, Jul 13 2022 12:00 AM GMT+0000 120 min

E07

The Last Dance

Wed, Jul 20 2022 12:00 AM GMT+0000 120 min

E08

Return to the Lonely Road

Wed, Jul 27 2022 12:00 AM GMT+0000 120 min

E09

The Man Who Talked to Dogs

Wed, Aug 3 2022 12:00 AM GMT+0000 120 min

E10

Out of the Darkness

Wed, Aug 10 2022 12:00 AM GMT+0000 120 min

E11

Justice for Nikki

Wed, Aug 17 2022 12:00 AM GMT+0000 120 min

E12

House of Secrets

Wed, Aug 24 2022 12:00 AM GMT+0000 120 min

E13

The Black Widow of Lomita

Wed, Oct 5 2022 12:00 AM GMT+0000 120 min

E14

The Pink Gun Mystery

Wed, Oct 12 2022 12:00 AM GMT+0000 120 min

E15

Even the Devil Went to Church

Wed, Oct 19 2022 12:00 AM GMT+0000 120 min

E16

The Day Jennifer Disappeared

Wed, Oct 26 2022 12:00 AM GMT+0000 120 min

E17

In the Dead of Night

Wed, Nov 2 2022 12:00 AM GMT+0000 120 min

E18

A Promise to Helene

Wed, Nov 9 2022 1:00 AM GMT+0000 120 min

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.

E19

Death of a Golden Girl

Wed, Nov 16 2022 1:00 AM GMT+0000 120 min

An aspiring Playboy model is murdered in Miami, FL. A seven second clip of her last moments alive are caught on security video and could hold key clues. The haunting images make this case one of Dennis Murphy's most memorable.

E20

Secrets From the Grave

Wed, Nov 23 2022 1:00 AM GMT+0000 120 min

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

E21

Fallen

Wed, Nov 30 2022 1:00 AM GMT+0000 120 min

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. Dennis still can't believe the answer.

E22

The Box

Wed, Dec 7 2022 1:00 AM GMT+0000 120 min

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.

E23

The Creek

Wed, Dec 14 2022 1:00 AM GMT+0000 120 min

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.

E24

Mystery On Blood Mountain

Wed, Dec 21 2022 1:00 AM GMT+0000 120 min

Gary Hilton is a name Dennis Murphy will always remember. A hiker goes missing and authorities suspect Hilton is reenacting a slasher movie. Dennis reflects on the real-life murder spree that terrorized the American South.

E25

The Betrayal Of Sarah Stern

Thu, Jul 27 2023 12:00 AM GMT+0000 120 min

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.

E26

The Dead of Night

Thu, Aug 3 2023 12:00 AM GMT+0000 120 min

E27

Deadly Valentine

Thu, Aug 10 2023 12:00 AM GMT+0000 120 min

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.

E28

Down The Back Staircase

Thu, Aug 17 2023 12:00 AM GMT+0000 120 min

A novelist's wife is found dead at the bottom of the stairs. Investigators wonder if it was an accident or murder. Dennis Murphy interviewed main suspect Michael Peterson and now returns to the case with insight only he can share.

E29

The Ranch

Thu, Aug 24 2023 12:00 AM GMT+0000 120 min

Eduardo Valseca was kidnapped in a planned kidnapping. Keith Morrison reflects on the family he spent years trying to track down. The Valecas were not destroyed by what happened to them.

E30

What Happened To Amy?

Thu, Aug 31 2023 12:00 AM GMT+0000 120 min

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.

E31

The Secret Of Spirit Lake

Thu, Sep 7 2023 12:00 AM GMT+0000 120 min

An advocate for the missing Indigenous women looks into the disappearance of her niece and uncovers some issues in the law enforcement.

E32

The Plan

Thu, Sep 14 2023 12:00 AM GMT+0000 120 min

E33

The Haunting

Thu, Sep 21 2023 12:00 AM GMT+0000 120 min

E34

Internal Affairs

Thu, Sep 28 2023 12:00 AM GMT+0000 120 min

E35

Return to Manitowoc County

Thu, Oct 5 2023 12:00 AM GMT+0000 120 min

E36

Twisted

Thu, Oct 12 2023 12:00 AM GMT+0000 120 min

E37

Good And Evil

Thu, Oct 19 2023 12:00 AM GMT+0000 120 min

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.

E38

The house

Thu, Oct 26 2023 12:00 AM GMT+0000 120 min

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

E39

Breakout

Thu, Nov 2 2023 12:00 AM GMT+0000 120 min

E40

Family Affair

Thu, Nov 9 2023 1:00 AM GMT+0000 120 min

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.

E41

The Women and Dirty John

Thu, Nov 16 2023 1:00 AM GMT+0000 120 min

E42

Open Water

Thu, Nov 23 2023 1:00 AM GMT+0000 120 min

E43

The Silhouette

Thu, Nov 30 2023 1:00 AM GMT+0000 120 min

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.

E44

The Sting

Thu, Dec 7 2023 1:00 AM GMT+0000 120 min

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.

E45

Deadly Desire

Thu, Dec 14 2023 1:00 AM GMT+0000 120 min

E46

Plot twist

Thu, Dec 21 2023 1:00 AM GMT+0000 120 min

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked -- what their most memorable story is and why.

E47

The Life and Death of Princess Diana

Thu, Dec 28 2023 1:00 AM GMT+0000 120 min

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.

E48

The Last Dive

Thu, Jan 4 2024 1:00 AM GMT+0000 120 min

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.

Season 3

11 episodes

E01

On a Dark, Deserted Highway

Fri, Jan 19 2024 1:00 AM GMT+0000 120 min

Keith Morrison recalls how a deadly high-speed chase in Montana led "Dateline" on a search to unravel a mystery unlike any he has told, one where a missionary turned into a monster and committed one of the state's most notorious crimes.

E02

Siren Song

Fri, Jan 26 2024 1:00 AM GMT+0000 120 min

A mystery in paradise unfolds when Sarm Heslop vanishes from her boyfriend's yacht. In a case that made international headlines, Andrea Canning recounts her memorable journey searching for a particular person of interest.

E03

The Woman Who Couldn't Scream

Fri, Feb 2 2024 1:00 AM GMT+0000 120 min

A 911 call reporting an apartment break-in holds the key to solving the mysterious murder of a young graduate student named Katie Sepich; her case contained many twists, and her family's grit still astonishes Josh Mankiewicz.

E04

The Devil Was Watching

Fri, Feb 9 2024 1:00 AM GMT+0000 120 min

When Tina Sandoval disappears, her parents and loved ones spend years searching for her; Dennis Murphy takes a fresh look at the secret Tina kept and at the demon who forced her loved ones to make an agonizing decision.

E05

Left for Dead

Fri, Feb 16 2024 1:00 AM GMT+0000 120 min

The survivor of a horrible attack is convinced the police on the case have the wrong suspect. Keith Morrison looks back on his heart-wrenching interview with the victim and her courageous quest to uncover the truth.

E06

Point Blank

Fri, Feb 23 2024 1:00 AM GMT+0000 120 min

E07

Complicated

Fri, Mar 1 2024 1:00 AM GMT+0000 120 min

E08

The Window

Fri, Mar 8 2024 1:00 AM GMT+0000 120 min

A Florida father is determined to find out what happened to his daughter after her fatal fall from a penthouse apartment; Dennis Murphy revisits the dramatic events as this dad confronts overwhelming obstacles to learn the truth.

E09

The Evil That Watches

Fri, Mar 15 2024 12:00 AM GMT+0000 120 min

When three people are found dead on the same day in a Kentucky town, investigators know that it isn't a coincidence; years pass before an arrest; Keith Morrison reflects on the triple murder that shook a tight-knit community to its core.

E10

The Murder of Lorenzen Wright

Fri, Mar 22 2024 12:00 AM GMT+0000 120 min

The fatal shooting of NBA star and hometown hero Lorenzen Wright sends shockwaves through the city of Memphis, Tenn.; Andrea Canning takes a new look at the diabolical plot behind Wright's murder and his family's tireless fight for justice.

E11

A Walk in the Rain

Fri, Mar 29 2024 12:00 AM GMT+0000 120 min

Season 4

8 episodes

E01

What Happened in Vegas

Sat, Jun 8 2024 12:00 AM GMT+0000 120 min

A chance encounter on the Pacific Coast Highway with a woman he first spoke to in a jail cell leads Keith Morrison to re-examine the mysterious death of Las Vegas casino magnate Ted Binion.

E02

Lonestar Obsession

Sat, Jun 15 2024 12:00 AM GMT+0000 120 min

When Dr. Joe Sonnier is murdered, the investigation reveals simmering jealousies and a love triangle. Andrea Canning recalls the brilliant yet humble doctor who dedicated his life to helping others

E03

Twisted Faith

Sat, Jun 22 2024 12:00 AM GMT+0000 120 min

A charismatic pastor's dark secrets come to light, triggering a murder investigation. Josh Mankiewicz looks back at a case that shattered a congregation and exposed the cost of their unshakable trust.

E04

Sex, Lies & Murder

Sat, Jun 29 2024 12:00 AM GMT+0000 120 min

When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies. Dennis Murphy looks back on his unusual interview with the lead suspect.

E05

In A Lonely Place

Fri, Jul 5 2024 12:00 AM GMT+0000 120 min

Chris Smith's family received an email stating that he was leaving California to surf the world. Months later, they wondered if he really left. Keith Morrison offers new insights into the case.

E06

The Music Box

Fri, Jul 12 2024 12:00 AM GMT+0000 120 min

After Lisa Zeigert is killed, her family keeps the case in the public eye for decades. Andrea Canning reflects on the harrowing mystery and discusses the inspiration she's drawn from Lisa's loved ones.

E07

Detective Story

Fri, Jul 19 2024 12:00 AM GMT+0000 120 min

A woman in Los Angeles is killed in an apparent botched burglary; nearly 20 years later, a detective discovers a clue that turns the case on its head; Josh Mankiewicz revisits a story with a twist that surprised him.

E08

The Secret Life of the Homecoming Queen

Fri, Jul 26 2024 12:00 AM GMT+0000 120 min

Police investigate when the seemingly storybook romance between a football player and the homecoming queen ends in a death.

Season 5

8 episodes

E01

Killer Role

Fri, Jan 17 2025 1:00 AM GMT+0000 120 min

E02

Safari Story

Fri, Jan 24 2025 1:00 AM GMT+0000 120 min

E03

The Favorite Son

Fri, Jan 31 2025 1:00 AM GMT+0000 120 min

E04

The Trial of Lori Vallow Daybell

Fri, Feb 7 2025 1:00 AM GMT+0000 120 min

E05

The Bridge

Fri, Feb 14 2025 1:00 AM GMT+0000 120 min

E06

The Life She Wanted Role

Fri, Feb 21 2025 1:00 AM GMT+0000 120 min

E07

True Confession

Fri, Feb 28 2025 1:00 AM GMT+0000 120 min

E08

After the Dance

Fri, Mar 7 2025 1:00 AM GMT+0000 120 min

Season 6

9 episodes

E01

The Shadow in the Window

Fri, Jun 6 2025 12:00 AM GMT+0000 60 min

A teenager's life is turned upside down by a shocking discovery as what seems like a fatal accident reveals itself to be something much more disturbing.

E02

The House on Shalimar Way

Fri, Jun 13 2025 12:00 AM GMT+0000 120 min

When Leslie Neulander dies after what seems to be an accidental fall in the shower, her book club friends join forces to seek justice on her behalf. Andrea Canning reflects on some of the most determined women she's ever met.

E03

65 Seconds

Fri, Jun 20 2025 12:00 AM GMT+0000 120 min

After an apparent home invasion in Minnesota leaves Heidi Firkus dead and her husband, Nick, hospitalized, detectives learn the young couple was facing financial troubles.

E04

Secrets in Pleasant Prairie

Fri, Jun 27 2025 12:00 AM GMT+0000 120 min

An investigation into the poisoning of Wisconsin mother-of-two Julie Jensen takes a surprising turn when detectives learn that she wrote a letter days before her death pointing to a possible suspect.

E05

The Perfect Life

Fri, Jul 4 2025 12:00 AM GMT+0000 120 min

E06

Justice for Joy

Fri, Jul 11 2025 12:00 AM GMT+0000 120 min

E07

Evil Walked Through the Door

Fri, Jul 18 2025 12:00 AM GMT+0000 120 min

Two murders in Toronto ignite an investigation that spans four decades; breakthroughs in investigative genetic genealogy help crack the case.

E08

The Trouble at Dill Creek Farm

Fri, Jul 25 2025 12:00 AM GMT+0000 120 min

When a pharmacist is found shot to death in his Wisconsin farmhouse, investigators embark on a 15 year hunt for his elusive killer.

E09

The Day Akia Disappeared

Fri, Aug 1 2025 12:00 AM GMT+0000 60 min

A pregnant woman vanishes before her own baby shower and her worried family raises the alarm as detectives unravel a chilling mystery. For Josh Mankiewicz, it was a heartbreaking case that stayed with him long after the cameras stopped rolling.

Season 7

12 episodes

E01

Deadly dance

Fri, Oct 31 2025 12:00 AM GMT+0000 120 min

A former ballerina shoots her husband in what she alleges was an act of self-defense; the ensuing investigation and dramatic trial spark protests and receives national attention.

E02

The Pin at Apartment 210

Fri, Nov 7 2025 1:00 AM GMT+0000 120 min

A young Tennessee woman mysteriously vanishes and misses her family's Thanksgiving dinner; determined to track her down, her family takes matters into their own hands, pursuing every digital clue she left behind.

E03

Ghost Rider

Fri, Nov 14 2025 1:00 AM GMT+0000 120 min

After a nurse and mother-of-three is murdered inside her Illinois home, investigators uncover security camera footage that could be key to solving the case

E04

Justice For Kristin Smart

Fri, Nov 21 2025 1:00 AM GMT+0000 120 min

The parents of Kristin Smart speak out in their first network exclusive interview since the recent sentencing of their daughter's killer

E05

The Secrets of Birch View Drive

Fri, Dec 5 2025 1:00 AM GMT+0000 120 min

After an apparent brazen home invasion during the holiday season in a quiet Connecticut community leaves Connie Dabate dead, investigators discover a silent witness that cracks the case wide open

E06

The Haunted House Confession

Sat, Dec 13 2025 1:00 AM GMT+0000 120 min

After 25-year-old Chantay Blankinship's remains are found at an abandoned building that locals call the Haunted House, investigators sort through dead-end leads until a stunning confession during a church service changes everything.

E07

The Agent's Wife

Sat, Dec 20 2025 1:00 AM GMT+0000 120 min

Authorities take two years and three trials to solve the shooting death of the wife of an FBI agent in the kitchen of her family's Virginia home.

E08

Wreckage

Fri, Jan 9 2026 1:00 AM GMT+0000 120 min

E09

The Day Alissa Disappeared

Fri, Jan 16 2026 1:00 AM GMT+0000 120 min

E10

Murder in Minot

Fri, Jan 23 2026 1:00 AM GMT+0000 120 min

Beloved 18-year-old college student Anita Knutson is found stabbed to death in her apartment; the case takes nearly eighteen years and the undying commitment of friends, family and investigators to reach resolution.

E11

The clearing

Fri, Jan 30 2026 1:00 AM GMT+0000 120 min

When the body of an Ohio woman is found in a wooded area near her home months after she went missing, investigators must determine if her death was a suicide or homicide

E12

Losing faith

Thu, Feb 12 2026 1:00 AM GMT+0000 120 min

In a powerful two-hour special titled "Losing Faith," correspondent Josh Mankiewicz delves into the tragic fatal shooting of Jamie Faith outside his Dallas home in 2020. The special report unfolds the tragic story of Jamie Faith, whose life was abruptly taken in a fatal shooting.