Sezon 4
Bölümler
1 Vikings in the Desert 28 May 2019 
2 Alien Artifacts 4 Haz 2019 
3 Cave of Secrets 11 Haz 2019 
4 The Ripper Unmasked 18 Haz 2019 
5 Phoenicians in America 25 Haz 2019 
6 The Spy Who Saved America 2 Tem 2019 
7 Bigfoot of the Bayou 9 Tem 2019 
8 Drake's Lost Treasure 16 Tem 2019 
9 Chicago's Mystery Bomber 23 Tem 2019 
10 Exodus of the Templars 30 Tem 2019