Not talking about the lead actress here... who is doing a fine job.
But the embarrassingly fake & forced "french accent" used by some of the actors, and in the ADR/dubbing, of the first episode ("Joan Of Arc") is absolutely terrible.
Everyone is now talking about (and aware of) cultural representation, but obviously FOXnation still seems to think that Pepe Le Pew is a truthful portrayal of the French heritage.
It is, however, the 21st century, therefore whoever directed the ADR/Dubbing, and/or let some actors do a parodic-sounding accent, should really get educated on proper cultural representation , or just let non-french actors speak in their real voice to avoid this absolute trainwreck. The work done here is neither truthful nor subtle (to say the very least!).
Other than that, the episode is actually pretty well filmed and edited. Scorsese is, of course, always enjoyable as a narrator, and the episode is well researched.
Unfortunately, the viewing is ruined by (and losing credibility from) the silly over-exaggerated phony "french" accent work (oscillating from comical to just degrading) and the subpar overdubbing which sounds like it was made in someone's living room by some random youtubers. For a show that is supposed to be high-quality television aiming at being both historically and culturally authentic, the team in charge of Voice direction should have tried harder than going for cheap & goofy stereotyping, because there is no other way to call this.... and when a show like "Emily In Paris" sounds less stereotypic than your historical documentary... it tells a lot on the quality and care that was put in your work.
Please, for the love of humanity, do better.