ある日、玄野計は地下鉄のホームで小学生時代の親友だった加藤勝を見かける。正義感の強い加藤は線路上に落ちた酔っ払いを助けようとするが1人では抱え上げられず玄野に手伝いを求める。2人はホームに戻り損ね、線路に進入してきた電車に轢かれて死んでしまう。次の瞬間、彼らはマンションの一室にいた。そこには同じように死んだはずの人々が集められていた。部屋の中央にある謎の大きな黒い球。彼らは、その「ガンツ」と呼ばれる球に、理由もわからないまま星人を「やっつける」ように指示され、別の場所へと強制的に転送されていく。
ガンツ (シーズン 1)
It's the Beginning of a Brand New Day (エピソード 1) 7.0
脚本家: Masashi Sogo
放送日: 2004-04-13
上映時間: 25 min
概要: After Kei and his childhood friend, Kato, are torn into bloody pieces by a speeding train, they awake in an unfamiliar room, surrounded by strangers. In the middle of the room is a bizarre black sphere: the Gantz.
Episode 2 (エピソード 2) 4.2
脚本家: Masashi Sogo
放送日: 2004-04-20
上映時間: 23 min
OK, Here Are Your Scores (エピソード 3) 8.0
脚本家: Masashi Sogo
放送日: 2004-04-27
上映時間: 25 min
概要: The scores are tallied and Nishi explains some of what he knows about the rules of the strange world of the Gantz. The unusual situation grows even odder the next day when Kei wakes—and finds that this nightmare is no dream.
That Means at the Time... (エピソード 4) 7.5
脚本家: Masashi Sogo
放送日: 2004-05-04
上映時間: 25 min
概要: Seemingly back among the living, Kato must protect his brother from their hateful aunt. Meanwhile, Kei’s special suit gives him an advantage against the bullies at school. But will it help him when Kishimoto appears at his door?
All Right! (エピソード 5) 7.5
脚本家: Masashi Sogo
放送日: 2004-05-11
上映時間: 25 min
概要: Despite his best efforts, Kei remains unsatisfied during Kishimoto’s overnight stay at his apartment. At the place Kato calls home, more ugly evidence of abuse piles up.
We're After You (エピソード 6) 6.0
脚本家: Masashi Sogo
放送日: 2004-05-18
上映時間: 25 min
概要: Kato’s patience is being tested. At home, the abuse dished out by his aunt pushes him to the breaking point. Meanwhile, at school, a group of bullies forces him to take decisive and drastic action.
Uh-oh! (エピソード 7) 8.0
脚本家: Masashi Sogo
放送日: 2004-05-25
上映時間: 25 min
概要: A new round begins for the gang. Appearing before the Gantz, they find themselves joined by a diverse group of fresh players. As the game gets underway, Kei panics when he realizes his suit is nowhere to be found.
I'll Kill You Without a Moment's Hesitation (エピソード 8) 6.0
放送日: 2004-06-01
上映時間: 25 min
概要: As the group prepares to track down the Suzuki alien, Tetsu’s gang is creating conflict and Nishi’s smart mouth isn’t helping the situation. When tensions boil over, blood is spilled before the hunt even begins.
He Can't Shoot (エピソード 9) 7.5
放送日: 2004-06-08
上映時間: 25 min
概要: Kato is forced to take action to save Nishi from certain death, but he may not be ruthless enough to kill the Suzuki alien. Time is running out for yet another player trapped in the cruel world of the Gantz.
Kato, You Wait Here (エピソード 10) 8.7
放送日: 2004-06-15
上映時間: 25 min
概要: The group is beginning to figure out the rules of the twisted game in which they are caught, but survival is still far from guaranteed as the battle with the remaining Suzuki aliens erupts.
Please Die (エピソード 11) 8.0
脚本家: Masashi Sogo
放送日: 2004-06-22
上映時間: 25 min
概要: Kei, suitless and outnumbered by the Suzuki aliens, must face the biggest monster alone. When the battle ends and the scores are tallied, the group sees that there might be a way to escape their strange fate.
