July 21, 2017
17
374
EN
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.
Season 1
23 episodes
July 21, 2017
Season 2
15 episodes
February 16, 2018
N/A
N/A
Season 3
14 episodes
June 23, 2018
Season 4
17 episodes
July 13, 2018
Season 5
14 episodes
October 1, 2018
Season 6
14 episodes
January 5, 2019
Season 7
24 episodes
May 5, 2019
Season 8
24 episodes
October 18, 2019
Season 9
46 episodes
April 3, 2020
Season 10
71 episodes
March 1, 2021
Season 11
32 episodes
October 4, 2022
Season 12
17 episodes
January 10, 2024
Season 13
13 episodes
June 5, 2024
Season 14
19 episodes
November 6, 2024
Season 15
15 episodes
June 3, 2025
Season 16
16 episodes
October 29, 2025
Season 17
3 episodes
June 2, 2026
