How do you film Asimov's foundation series? Simple you don't. This is an ok series, only loosely based on the books. If you're a fan of the book you'll be annoyed.
The sets and costumes are amazing. The culture building is impressive, but the actual story is slow.
It's pretty to look at, but I still remember the books even though I read them decades ago. I doubt I'll remember anything from this in a couple of months.