It worked in the ’90s
Now, this isn’t a great one-to-one comparison, as it’s fair to say that television and fictional media in the 1990s didn’t have nearly as many competitors as there are today. If you wanted to watch an entire series when Star Trek: The Next Generation was on, you would have to a box set of VHS’s that would run you about $100, if not more. You could always go to your local Blockbuster but, eh. Not for television shows.
There was only one science fiction network on and they played mostly B-movies and shows, and Star Trek didn’t have to contend with those Star Wars dorks for well over a decade. There was no need to try to be like that other franchise because they weren’t around anymore. There was only one king of sci-fi and that was Trek.
In 2020, admittedly different situations. That doesn’t mean it can’t work again. Star Trek fans loved the interwoven connectivity of the universe. The films, the series, the books. Trek fans wanted to get their hands on anything and everything. Yes, there are more Star Trek series airing now than at any time in the ’90s and yes, there are far more science fiction properties to explore beyond just Star Trek.
That doesn’t mean the concept of blending the films and television series can’t work again.