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
Dateline: Secrets Uncovered - Season 6 Episode 2 Dark Valley
8.10 43 minutes Gavin Smith was dashing. When he vanished, LA detectives were unsure if they were investigating a crime or a suicide. His wife said he'd gotten lost in drugs and flings. Police wondered if the key to finding Gavin was hidden in one of those affairs.
