Sezon 4
Bölümler
1 The Great Emu War 27 Ağu 2021 
2 Mansa Musa: The Richest Man Who Ever Lived 3 Eyl 2021 
3 America vs. Smallpox: How Vaccines Saved The Nation 10 Eyl 2021 
4 José Rizal: The Philippines' Reluctant Revolutionary 17 Eyl 2021 
5 The Bloody Revenge of Saint Olga of Kiev 24 Eyl 2021 
6 The Demonic Possessions of Loudun 3 Eki 2021