- "Oh, the Arkham exposé, I remember that."
- —Barry Allen[src]
Arkham is an undisclosed location in United States.
- "Child's Play" (mentioned)
Behind the scenes
- In the comics, Arkham Asylum is a notorious asylum for criminally insane located in Gotham and housing a plethora of famous deranged criminals and supervillains, most of the enemies of Batman.
- Interestingly enough, The Flash referenced Arkham way before it was first name-dropped in respective Batman-based media.
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