Before the Dark Knight: Gotham
In all the movies, in all the cartoons, in all the comics, never has anyone done as perfect of job of capturing why Batman exists. Batman exists because Gotham exists, and Gotham is the Heart of Darkness. The city depicted in this TV show is so corrupt, so morally bankrupt, so beyond redemption, that the creators of this show are answering a question I never even realized I was asking: why would Batman put on the cowl in the first place? What made him who he becomes?