Dizi Adı: Blue Gender
Bölüm Adı: A Sign
Sezon/Bölüm: 1. Sezon 16. Bölüm
Yayın Tarihi: 28 Ağu. 2003

A large attack force is sent to Earth, the first wave in a new campaign to reclaim the planet from the Blue. Yuji is awed when a fellow Sleeper, Tony wipes out an entire Blue nest on his own. Yuji determines to be the best at any cost. But is this unhealthy obsession with beating Tony really a symptom of a much greater problem?