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 1 House on the Lake
- Season 1 Unimaginable
- Season 1 Betrayed
- Season 1 A Texas Twist
- Season 1 Nightfall
- Season 1 Burning Suspicion
- Season 1 Lost and Found
- Season 1 The Mystery of the Murdered Major
- Season 1 The House In The Woods
- Season 1 Frantic
- Season 1 The Player
- Season 1 The Goldfinger Mystery
- Season 1 Secrets in a Small Town
- Season 1 Crossing the Line
- Season 1 Mystery at Heath Bar Farm
- Season 1 Deadly Triangle
- Season 1 Diabolical
- Season 1 The Day She Disappeared
- Season 1 Collision
- Season 1 Heart of Darkness
- Season 1 The Last Dance
- Season 1 Troubled Waters
- Season 1 Tangled
Dateline: Secrets Uncovered - Season 1 Episode 16 Deadly Triangle
8.10 43 minutes If a killer is still free after 25 years, then maybe they got away with murder; the trail goes cold, never to warm up again, until one day it does.
