Sezon 4
Bölümler
1 Viking Secrets 27 Ara 2017 
2 Vikings in America 3 Oca 2018 
3 Origins of Stonehenge 10 Oca 2018 
4 The Secret 17 Oca 2018 
5 Butch Cassidy's Lost Loot 24 Oca 2018 
6 Hunt for the Metal Library 31 Oca 2018 
7 Great Women of Ancient Egypt 7 Şub 2018 
8 Egypt's Lost Queens 14 Şub 2018 
9 Global Game Show: Out of This World 21 Şub 2018 
10 Secrets of Brother XII 28 Şub 2018