Dizi Adı: Blue Gender
Bölüm Adı: Adagio
Sezon/Bölüm: 1. Sezon 25. Bölüm
Yayın Tarihi: 15 Eyl. 2003

Satelite images of the Earth reveals a mass Blue migration in South America and Yuji volunteers to investigate. Once on the surface, he and his team discover that the Blue have mysteriously vanished without a trace. Now, the only hope Yuji has of finding answers, lies deep underground in the dark tunnels below a massive Blue nest.