Batman Unlimited: Monster Mayhem (2015)
- HD 1080
- Runtime: 81m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Butch Lukic
- Stars: Roger Craig Smith, Troy Baker, Chris Diamantopoulos, Kari Wuhrer, Noel Fisher
- keywords: joker, superhero, cartoon, super power
- Production_studio: Warner Bros. Animation, DC Entertainment
- Slogan: It's a fright to the finish for Batman!
The Joker is aided in his Halloween quest to render modern technology useless and take over Gotham City by Solomon Grundy, Silver Banshee, Clayface and Scarecrow.