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