Watch Series: Gantz Released in (2004) - Season 1 produced by JP, Jp, The TV Series categorized in Action, Animation, Drama, Horror, Mystery, Science-Fiction, Adventure, Fantasy, and content rating TV-MA with duration 25 min broadcasted as these networks Fuji TV, AT-X, ANIMAX, Animax, The Anime Network, Streamed at Putlocker & directed by Hiroya Oku, Ichirô Itano. If you are chosen by the bizarre black sphere known as the Gantz, you are already dead—yet you might be able to reclaim your mortality. First, the Gantz demands that you undertake brutal missions of madness, killing aliens hidden among the population. It is your only chance and you have no choice. You must play this disturbing game. And if you die again—and you likely will—it’s permanent. - Season 1