Sergeant Keroro: Kero 0 (2009)
This is episode 0, the prequel to the main Keroro Gunsou anime series. KeroZero was shown in theaters with Keroro Gunsou Movie 4.
- Country : Japan
- Genre : Animation
- Studio :
- Director :
- Cast : Kumiko Watanabe, Etsuko Kozakura, Jouji Nakata, Takehito Koyasu, Takeshi Kusao