As of July 2026, GANTZ Season 1 aired in 2004 with 11 episodes — streaming now on Crunchyroll. Full episode guide and where to watch below.
GANTZ Season 1 poster
← Back to GANTZ

GANTZ Season 1

2004 11 Episodes Animation · Action & Adventure ⭐ 7/10

If you want science fiction that respects its own premise, GANTZ Season 1 is available on and right now. A compact run that never overstays its welcome. 325 people have weighed in on TMDB, and the verdict leans heavily positive. Daisuke Namikawa anchors it with a performance that grounds the bigger ideas in something human. Available now — press play and find out why people keep recommending it.

Part of the current wave of titles people are actually watching, GANTZ Season 1 earns its spot. The world-building is meticulous, but it is the characters who carry GANTZ Season 1 through its more ambitious moments. Season 1 of GANTZ includes 11 episodes. It aired from April 2004 to June 2004. This season stars Daisuke Namikawa, Hitomi Nabatame and Masashi Oosato. Daisuke Namikawa and Hitomi Nabatame lead a cast that brings real weight to the material. It was aired in 2004. The world-building is meticulous enough to sustain multiple rewatches, with details early on that only make sense later. There is real craft here, even in the moments that do not fully land.

GANTZ Season 1 is satisfying on multiple levels — something to watch and something to think about after. If you have run out of similar titles to watch, this is a strong next pick. It is a manageable watch, easy to fit into a single week. Daisuke Namikawa anchors it with a performance that makes the more abstract moments feel personal. If you have been burned by ambitious sci-fi before, this is the exception.

📡 Where to Watch GANTZ Season 1

🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
TV Butler Pro app
🎙️ TV Butler Pro
Your voice finds it. Your history remembers it.

🎬 GANTZ Season 1 — Episode Guide

E1
It's the Beginning of a Brand New Day
2004-04-13
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.
E2
Episode 2
2004-04-20
E3
OK, Here Are Your Scores
2004-04-27
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.
E4
That Means at the Time...
2004-05-04
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?
E5
All Right!
2004-05-11
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.
E6
We're After You
2004-05-18
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.
E7
Uh-oh!
2004-05-25
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.
E8
I'll Kill You Without a Moment's Hesitation
2004-06-01
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.
E9
He Can't Shoot
2004-06-08
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.
E10
Kato, You Wait Here
2004-06-15
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.
E11
Please Die
2004-06-22
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.

🎭 Cast of GANTZ Season 1

Daisuke Namikawa
Daisuke Namikawa
Kei Kurono (voice)
Hitomi Nabatame
Hitomi Nabatame
Kei Kishimoto (voice)
Masashi Oosato
Masashi Oosato
Masaru Kato (voice)
Masahito Yabe
Masahito Yabe
Jouichiro Nishi (voice)

📋 All Seasons of GANTZ

Season 2

Never Lose Track of GANTZ

TV Butler Pro lets you search every streaming service by voice, tracks what you've watched, and works completely free. No app download needed.

🎙️ Try TV Butler Pro Free