Season
- Season 1 2017-07-21
- Season 2 2018-02-16
- Season 3 2018-06-23
- Season 4 2018-07-13
- Season 5 2018-10-01
- Season 6 2019-01-05
- Season 7 2019-05-05
- Season 8 2019-10-18
- Season 9 2020-04-03
- Season 10 2021-03-01
- Season 11 2022-10-04
- Season 12 2024-01-10
- Season 13 2024-06-05
- Season 14 2024-11-06
- Season 15 2025-06-04
Season 15 Episode
- Season 9 The Disappearance of Sandi Johnson
- Season 9 12 Minutes on Elm Street
- Season 9 In the Middle of the Night
- Season 9 Missing Marie
- Season 9 Deadly Intent
- Season 9 A Bronx Tale
- Season 9 Deadly Denial
- Season 9 Mystery in South Beach
- Season 9 Circle Of Friends
- Season 9 Bad Blood
- Season 9 The Farm
- Season 9 Evil Was Waiting
- Season 9 Everything She Knew
- Season 9 The Landing
- Season 9 Unspeakable
- Season 9 The Watcher
- Season 9 Unraveled
- Season 9 The Figure in the Garage
- Season 9 A Cold December Morning
- Season 9 In Cold Blood
- Season 9 Vendetta
- Season 9 Deadly House of Cards
- Season 9 Footprint In the Dust
- Season 9 Death in the Driveway
- Season 9 Toxic Relations
- Season 9 Secrets of the Snake River
- Season 9 A Killing in Cottonwood
- Season 9 The Unusual Suspect
- Season 9 The Mystery Man
- Season 9 The Fugitive Millionaire
- Season 9 Deception
- Season 9 The Comic Book Murder
- Season 9 Up In Flames
- Season 9 The Motive
- Season 9 The Mansion on Ocean Boulevard
- Season 9 Evil Intent
- Season 9 Secrets on the Emerald Coast
- Season 9 Something Wicked
- Season 9 Mystery on the Mississippi
- Season 9 On the Outskirts of Town
- Season 9 The Ultimatum
- Season 9 The Good Husband
- Season 9 Double Lives
- Season 9 A Dangerous Man
- Season 9 The Mystery on Bridle Path
- Season 9 The Accused
Dateline: Secrets Uncovered - Season 9
8.10 43 minutes For more than 25 years, Dateline has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. It explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.
