Untitled Arkham Asylum series is an upcoming American television series, based on the DC Comics location of the same name. The series will be a spin-off of The Batman. It will be the second television series set in The Batman Universe.[1]


On March 3, 2022, It was announced that HBO Max was in development on another spin-off series from Matt Reeves, this one focusing on the Arkham State Hospital.[1]

On March 6, 2022, Matt Reeves revealed that the GCPD series that was in the works has been evolved and altered into the Arkham Asylum series.[2]

When revealing that the GCPD spin-off series was not moving forward in March 2022, Reeves explained that it had led to work on a new idea based on Arkham Asylum. He said the series would build upon Arkham's introduction in the film and explore the origins of different characters related to it. He envisioned a horror tone, with Arkham being depicted as a haunted house.[3]


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