this or

why not both?

You might want to check out "new books network" of podcasts and the Ottoman History Podcast (which is really a podcast about post Mongol MENA to the present day so it has a few episodes on say French North Africa).

Both of these podcasts take the form of a host interviewing recently published authors (mostly academics though some popular history and historical fiction is included). Thus they're all self contained one off episodes not narrative histories.

In a similar vein BBC's In our time podcast (3 historians come together to discuss a topic) has some episodes that fit in your interests

For instance you mentioned Napoleon

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