2020 | 7 Episodes

Season 0 of History's Greatest Mysteries premiered on November 13, 2020.

2020 | 7 Episodes

Season 1 of History's Greatest Mysteries premiered on November 14, 2020.

2021 | 4 Episodes

Season 2 of History's Greatest Mysteries premiered on September 7, 2021.

2022 | 12 Episodes

Season 3 of History's Greatest Mysteries premiered on February 22, 2022.

2023 | 25 Episodes

Season 4 of History's Greatest Mysteries premiered on January 30, 2023.

2024 | 15 Episodes

Season 5 of History's Greatest Mysteries premiered on January 29, 2024.

2025 | 17 Episodes

Season 6 of History's Greatest Mysteries premiered on January 27, 2025.

Using new evidence to look at some of the most historically important mysteries of recent times.