History Trivia / TheBatman

** Ra's al Ghul, Scarecrow, and Two-Face weren't allowed to show up due to their appearances in ''Film/TheDarkKnightTrilogy'' and a Bat-Embargo being enforced at the time that forbade certain Batman characters from being used in more than one adaptation at the same time, which resulted in a rewrite for "Strange New World" that had Hugo Strange replacing Scarecrow and Clayface filling Two-Face's role as a criminal who used to be Bruce Wayne's closest friend. Mad Hatter was also forbidden from appearing because there were plans at the time to use him in one of the Nolan films. Interestingly enough, this doesn’t apply to The Joker, who appears as a reoccurring threat in the show, despite him also being present in the Nolan continuity. It's likely his iconic nature and status as Batman's ArchEnemy protected him from the restrictions.

** Ra's al Ghul, Scarecrow, and Two-Face weren't allowed to show up due to their appearances in ''Film/TheDarkKnightTrilogy'' and a Bat-Embargo being enforced at the time that forbade certain Batman characters from being used in more than one adaptation at the same time, which resulted in a rewrite for "Strange New World" that had Hugo Strange replacing Scarecrow and Clayface filling Two-Face's role as a criminal who used to be Bruce Wayne's closest friend. Mad Hatter was also forbidden from appearing because there were plans at the time to use him in one of the Nolan films.

** As mentioned in ExecutiveMeddling, the original idea of what became ''Strange New World'', the villain was the Scarecrow, with concept art even being made believing they were allowed to use him after being off-limits for 3 seasons, but as he was still off-limits, he was replaced with Hugo Strange. However, given the episode's plot, it was probably for the best as he'd have given the twist away.

** During the fifth season, Superman, Lois Lane, and Lex Luthor were voiced by Creator/GeorgeNewbern, Creator/DanaDelany, and Creator/ClancyBrown respectively, reprising their roles from the Franchise/DCAnimatedUniverse.
*** Also from ''WesternAnimation/SupermanTheAnimatedSeries'' was Creator/CharlieSchlatter voicing The Flash.

* CowboyBebopAtHisComputer: Several online descriptions for DVD sales of season one would describe the series as taking place after ''Film/BatmanBegins'', when the series is in fact a completely different continuity from ''Film/TheDarkKnightTrilogy''. [[http://hmv.com/hmvweb/displayProductDetails.do?ctx=280;-1;-1;-1;-1&sku=517272 Here's one of them]].

** Chief Rojas was voiced by Creator/EdwardJamesOlmos in his first appearance, then by Jesse Corti in all of his other ones.
** Richard Green replaced Frank Gorshin as Strange after the latter's death.

** Likewise, a proposed but rejected idea of a follow-up DTV to ''WesternAnimation/TheBatmanVsDracula'' would be an adaptation of ''Hush''. Likewise, the villain on ''Rumors'' was originally supposed to have been Hush, too.

*** Also from ''WesternAnimation/SupermanTheAnimatedSeries'' was Creator/Charlie Schlatter voicing The Flash.

*** Also from ''WesternAnimation/Superman: The Animated Series'' was Creator/Charlie Schlatter voicing The Flash.

*** Also from ''WesternAnimationSuperman: The Animated Series'' was Creator/Charlie Schlatter voicing The Flash.

** Some of the concept art features Penguin looking far more cartoonish, Joker and Croc looking far more ghoulish, the Riddler looking more like this show's incarnation of Cluemaster, and the aforementioned Scarecrow, whose design implemented chains and a sickle.

** It's been rumored that ''Music/MarilynManson'' was originally cast to voice The Riddler ([[InkSuitActor which would explain the character design]]), but had to drop out, so they cast Creator/RobertEnglund instead.

** As mentioned in ExecutiveMeddling, the original idea of what became ''Strange New World'', the villain was the Scarecrow, but as he was still off-limits, he was replaced with Hugo Strange. However, given the episode's plot, it was probably for the best as he'd have given the twist away.

** Robin and [[EvilCounterpart Scorn]] in "The End of The Batman" are played by real life brothers Evan and Creator/DarylSabara respectively. Even earlier than that, Daryl vocied one of Dick's classmates in "Riddler's Revenge".

For the [[Film/TheBatman2022 2022 film]], see [[Trivia/TheBatman2021 here]].

For the [[Film/TheBatman2021 2021 film]], see [[Trivia/TheBatman2021 here]].

** Ra's al Ghul, Scarecrow, and Two-Face weren't allowed to show up due to their appearances in ''Film/TheDarkKnightTrilogy'', which resulted in a rewrite for "Strange New World" and Clayface filling Two-Face's role. Mad Hatter was also forbidden from appearing because there were plans at the time to use him in one of the Nolan films.

** Robin was forbidden from appearing until ''WesternAnimation/TeenTitans'' was canceled, meaning Batgirl actually becomes a sidekick ''first'', which makes for an interesting mythology shake-up and promotes her from the usual third-fiddle.

** Some of the villains used in the ''Film/TheDarkKnightTrilogy'', most notably Scarecrow and Two-Face, were also forbidden from appearing. Clayface was used in place of Two-Face for the "best friend turned into a criminal" schtick. The episode "Strange New World" was written to introduce Scarecrow, but once the writing staff found out that he was still off-limits, they opted to go with Professor Hugo Strange instead.

* RealLifeRelative: Subverted with Robin and [[EvilCounterpart Scorn]]. While the two aren’t related, they are played by real life brothers Evan and Creator/DarylSabara.