Dateline: Secrets Uncovered - Season 15

First aired: 6/3/2025 15 episodes

Episodes

1. The Shadow in the Window

Aired: 6/4/2025

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

2. The Note

Aired: 6/11/2025

When high school student Megan Nichols vanishes from her Illinois home, her mother finds a note saying that she ran away. A grisly discovery made three years later changes the course of the investigation.

3. Dangerous Secret

Aired: 6/18/2025

A small Ohio town is left in shock after a local coal miner is found fatally shot in his basement. As investigators dig into his personal life, a secret affair reveals a surprising suspect.

4. Secrets in Pleasant Prairie

Aired: 6/25/2025

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

5. The End of the Affair

Aired: 7/2/2025

After police discover the burned body of a missing Miami man at the edge of the Florida Everglades, the wife of a local supermarket mogul comes forward to reveal a shocking secret and possible lead.

6. The Room Downstairs

Aired: 7/9/2025

While responding to a house fire in New Jersey, firefighters discover the burned remains of the homeowner in the basement. New interviews and legal developments about the latest twists and turns in the case.

7. The Murdaugh Murders: Inside the Investigation

Aired: 7/16/2025

Lead detectives break their silence on the investigation into once-prominent South Carolina attorney Alex Murdaugh.

8. 10 Minutes to Sunset

Aired: 7/23/2025

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

9. The Sleepover

Aired: 7/30/2025

A devoted mother is found shot to death in her minivan. The case stays cold until old memories resurface and new revelations come to light, dividing her Florida family.

10. The Hands of a Killer

Aired: 8/6/2025

When former Arkansas State Senator Linda Collins is found fatally stabbed outside her home, detectives investigate if her murder is connected to her political career or her personal life; the victim's children speak out about the case.

11. The Day the Music Died

Aired: 8/13/2025

After a plastic surgeon and local musician is murdered in his Asheville, N.C., home, investigators uncover a trail of clues pointing to an unlikely killer. New details emerge from exclusive TV interviews with insiders close to the case.

12. Righteous Obsession

Aired: 8/20/2025

The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from exclusive interviews and never-before-seen police interviews.

13. On the Hunt for the Zombie Hunter

Aired: 8/27/2025

The murders of two young women near a Phoenix canal remain unsolved for more than 20 years until a team of cold case detectives take on the case and investigate a man known as the Zombie Hunter.

14. Footprints in the Snow

Aired: 9/3/2025

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

15. The Girl with the Hibiscus Tattoo

Aired: 9/10/2025

A group of women help bring down a smooth-talking serial predator turned killer who lured young women with promises of fame and fortune.