Apart from being a very few years apart, I remember the show had certain aesthetical choices like Danny Elfman's music, the latex-neckless muscled suit design and a dark-cartoonish tone that related to the first two Batman movies.
I know that in the 90's a universe was not a concept frequently applied to movies, as we do today in our film sagas. Anyways, I can't help but thinking that, along with this series, if the infamous Tim Burton's aborted Superman movie and the Catwoman spinoff would've been made, DC would have had some kind of primitive version of the MCU, where creative staff, stories and actors were somewhat connected... maybe a complete failure in that decade, though.