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 2025-06-03
- Season 16 2025-10-29
Season 16 Episode
- Season 15 The Shadow in the Window
- Season 15 The Note
- Season 15 Dangerous Secret
- Season 15 Secrets in Pleasant Prairie
- Season 15 The End of the Affair
- Season 15 The Room Downstairs
- Season 15 The Murdaugh Murders: Inside the Investigation
- Season 15 10 Minutes to Sunset
- Season 15 The Sleepover
- Season 15 The Hands of a Killer
- Season 15 The Day the Music Died
- Season 15 Righteous Obsession
- Season 15 On the Hunt for the Zombie Hunter
- Season 15 Footprints in the Snow
- Season 15 The Girl with the Hibiscus Tattoo
Dateline: Secrets Uncovered - Season 15
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.
