Two high school friends, Kei and Kato, coincidentally cross paths on a subway train, where they try to save a homeless man who has fallen onto the tracks. Unexpectedly, they find themselves stuck in a mysterious apartment with others who have also narrowly escaped death, accompanied by a peculiar black orb called Gantz. To survive, they must comply with Gantz's rules and undertake hazardous missions to defeat alien threats.

1. It's the Beginning of a Brand New Day
Aired: Apr 13, 2004In the next episode, Kei and Kato's harrowing ordeal takes a surreal turn as ...