After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt down and kill aliens hiding on Earth.
Chubu-nippon Broadcasting CompanyFukuoka Broadcasting System (FBS)gantzGantz Film PartnersHiroshima Telecasting (HTV)Hokkaido Broadcasting Co.HoriproJ StormMiyagi Television BroadcastingNikkatsu CorporationNippon Television Network Corporation (NTV)Shizuoka Daiichi TelevisionShueishaThe Yomiuri ShimbunToho Company, Ltd.VAPYomiuri Telecasting Corporation (YTV)