I'll latch onto your post to also recommend the podcasts "The Fall of Rome" [0] and "Tides of History" [1], both by Patrick Wyman. He's a PhD who specialized in Late Antiquity, and often looks at Roman history/society from the lens of networks, trades, and the movement of people and goods over time. The one caveat I have is to bear with him in terms of the repetitive/boring ads he sticks into the middle of his episodes. I like to imagine his podcasts as an audio version of a History Channel show -- at least what the History Channel was supposed to be rather than what it's devolved into.

[0] https://fallofromepodcast.wordpress.com/

[1] https://www.stitcher.com/podcast/wondery/tides-of-history