It's Halloween night in Gotham, and the Joker's going for his greatest trick of all when he looses a quartet of the spookiest supervillains─Scarecrow, Clayface, Solomon Grundy, and Silver Banshee─on the populace! Can Batman and his allies─Cyborg, Green Arrow, Nightwing, and Red Robin─stop the Clown Prince of Crime from shutting the city's tech down with a computer virus? 72 min. Widescreen; Soundtrack: English; bonus cartoons.