Two friends are resurrected by a mysterious black ball called GANTZ, and forced to hunt down aliens armed with a handful of futuristic items, equipment, and weaponry.
EPISODE 1
It's the Beginning of a Brand New Day
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, and in the middle of the room is a bizarre black sphere: the Gantz.
EPISODE 2
They Aren't Human
The Black Globe interrupts a fight between Katou and the Yakuza, instructing them to kill Neigi Seijin.
EPISODE 3
Kei, You're Awesome!
With the small alien dead, the large alien exacts his revenge, slaughtering many with the group; when the creature pursues Kei, the young man quickly discovers that his physical abilities are enhanced by the suit he wears.
EPISODE 4
OK, Here Are Your Scores
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.
EPISODE 5
Then That Means, at That Time...
Seemingly among the living, Kato must shield his brother from their hateful aunt. Meanwhile, Kei's special suit gives him an advantage against school bullies.
EPISODE 6
All Right!
Despite his efforts, Kei is unsatisfied during Kishimoto's overnight stay at his apartment. More ugly evidence of abuse piles up in Kato's home.
Hitomi Nabatame
Daisuke Namikawa
Masahito Yabe
Christopher Ayres
Ichirô Itano
Susumu Nakajima
Shoji Murahama