Mine were:
Hardcore History Blitz 68 - Human Resources (https://www.dancarlin.com/product/hardcore-history-68-blitz-human-resources/) - discusses the history of the Atlantic slave trade
Fall of Civilizations 16: https://fallofcivilizationspodcast.com/ - discusses the rise and fall of the Bagan Empire of Myanmar
Lex Fridman #309 - John Carmack (https://lexfridman.com/john-carmack/)
The Missing Cryptoqueen 11: Operation Satellite (https://www.bbc.co.uk/programmes/p07nkd84/episodes/downloads) - this is the latest episode in an ongoing BBC series that investigates the whereabouts of Ruja Ignatova, founder of the OneCoin cryptocurrency scam. I recommend starting from episode 1 if you're not familiar with the story.