21. Beware The Batman
Poor Beware The Batman.
The show had so much going for it back in the summer of 2013. It was rocking a dark aesthetic, an admittedly gothic albeit different animation style, and a renewed commitment to tackle some of Batman's lesser known rogues. The problem, however, was that the villains they did adapt weren't really cut out for children's TV. Nah, these folks were much, much darker.
Granted, BTAS had made a name for itself with dark visuals and some absolutely terrifying plot lines (Feat of Clay says hello), but it didn't have villains like Professor Pyg involved - a character you can only really adapt faithfully if you're willing to show how explicitly violent he is. Instead, the show chose to use characters like Pyg as analogues for older, more established Bat-villains like Poison Ivy, completely negating their inclusion in the first place.
The show just couldn't live up to previous Bat-series', and its disastrous start only ensured that it could never really find an audience. Unsurprisingly, the show was cancelled after one season.