Season 1

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

Season 2

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

Season 3

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

Season 4

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

Season 5

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

Season 6

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.