4K Batman Unlimited: Monster Mayhem (2015) online Year: 2015 Country: USA Director:Butch Lukic Stars: Troy Baker, Kari Wuhrer, Noel Fisher Stars: Troy Baker, Kari Wuhrer, Noel Fisher Genre: Animation / Adventure / Action 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. Watch Batman Unlimited: Monster Mayhem (2015) online