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 Episode 1
- Season 15 Episode 2
- Season 15 Episode 3
- Season 15 Episode 4
- Season 15 Episode 5
- Season 15 Episode 6
- Season 15 Episode 7
- Season 15 Episode 8
- Season 15 Episode 9
- Season 15 Episode 10
- Season 15 Episode 11
- Season 15 Episode 12
- Season 15 Episode 13
- Season 15 Episode 14
- Season 15 Episode 15
Dateline: Secrets Uncovered - Season 15 Episode 2 The Note
8.10 43 minutes 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.
