Kamen Rider Kabuto: Birth! Gatack Hyper Form!!
Arata Kagami seeks to get the Hyper Zecter just like Souji Tendou, so he tries to emulate Tendou. Once he realizes that he has to be himself, the Hyper Zecter appears and allows him to transform into Kamen Rider Gatack Hyper Form.
Release Date: 2006-09-01
Hiro Mizushima
Souji Tendou / Kamen Rider Kabuto
Yuki Sato
Arata Kagami / Kamen Rider Gatack
Natsumi Okumura
Jyuka Tendou
Tomokazu Seki
Kabuto Zecter (voice)
Koji Yusa
Gatack Zecter (voice)