I figured Batman is a fairly popular franchise, and, personally, I mostly watch the TV shows and movies so I figured i'd but this here instead of in Books & Comics. (I do own plenty of comics but im not exactly a connoisseur of them lol)
This goes for any type of Batman media btw. From Batman(1989) to Gotham(2014) and anything between, before, or after. Animated or Live action.
I have an IMDB list that has all the Batman media ive consumed in it btw if anyone wants to check that out
here.
Anyways I think one of my all time favorite iterations of Batman is defiantly The Batman(2004). It's an animated show with such a nice art style, I love how unique and 2000s it looks and all of the character designs are great. I especially love The Jokers design, he looks like a skrunkly rat. Bruce is... a product of his time however... I don't particularly find his design appealing but I definitely like his Batman design. I also like how they leaned into his playboy persona, I feel like a lot of Batman media leaves that part out or doesn't really show it at all and I like that this one does.
I think the show also has a really similar feeling to Scooby Doo: Mystery Incorperated if anyone ever watched that. The music just has that similar investigative feeling to it that I absolutely love.
It's also connected to the movie The Batman Vs. Dracula(2005)
Some of my other favorite Batman iterations are The Lego Batman, Gotham, and the Telltale Videogames!