Before the hit-and-miss inconsistency and wild tonal variation of the DC Extended Universe, before the bright and not quite high enough budget Arrowverse on the CW, before even the mega-blockbuster success of the rival Marvel Cinematic Universe, one set of TV shows and movies already had the whole interconnected shared DC universe thing down.
From the start of Batman: The Animated Series in 1992 to the end of Justice League Unlimited in 2006, the eight TV series and four movies (along with a bunch of shorts, webseries, video games and comics) of the DC Animated Universe created what remains for many the definitive screen adaptation of the world of colourful heroes and villains, science, magic, and a millionaire playboy dressed in a bat costume, of DC comics.
Of course, across that fourteen years and hundreds of hours of super-heroics there are plenty of fascinating stories that went on behind the scenes.
Did you know, for example, that executives at Fox, which originally aired Batman: The Animated Series, vetoed a scene in which Alfred gets bat guano on his jacket because "it is not the network's practice to show animal excrement hitting anyone on a children's show"?
So, come this way for more executive meddling, along with alternative castings, failed projects and surprise cameos that you might not have heard from the DCAU...