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.
Batman Unlimited: Monster Mayhem streams on cinevo in the best quality we can source for it, with subtitles in dozens of languages. Playback works in any modern browser on phones, tablets, laptops and smart TVs, and your position is remembered across devices.