Guyver: The Bioboosted Armor (強殖装甲ガイバー, Kyōshoku Sōkō Gaibā?) is a Japanese anime series based on the long-running manga series written by Yoshiki Takaya, adapting chapters 1 - 59 (volume 10) of the manga. The series was first announced from its official website and at the 2005 Tokyo International Anime Fair. Broadcast station WOWOW and the head of ADV Films announced that they would start broadcasting a new 26 episode Guyver anime TV series, starting August 6. The production was in association with ADV Films, Kadokawa Shoten. The series first episode aired in Japan on August 06, 2005 and the last episode aired on February 18, 2006.

Source: Wikipedia