History's Greatest Mysteries
"Where answers come to light."
7.7
6 seasons
83 episodes
Returning Series
Documentary
Mystery
Plot Summary
Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.
First Aired:November 14, 2020
Last Aired:August 18, 2025
Episode Runtime:Unknown
Networks:
Planète+ A&E, History
Cast & Characters
Where to watch free (US)
Hoopla
The Roku Channel
History
Tubi TV
Seasons (7)
5.6
Season 1
7 episodes
Aired: 2020
5.8
Season 2
4 episodes
Aired: 2021
6.3
Season 3
12 episodes
Aired: 2022
5.9
Season 4
25 episodes
Aired: 2023
5.9
Season 5
15 episodes
Aired: 2024
7.0
Season 6
20 episodes
Aired: 2025
Using new evidence to look at some of the most historically important mysteries of recent times.
Production
Blumhouse Television
The Content Group
Entertainment One Television