Sergeant Keroro: Kero 0

    This is episode 0, the prequel to the main Keroro Gunsou anime series. KeroZero was shown in theaters with Keroro Gunsou Movie 4.
    • Runtime: 15 minutes
    • Release Date: April 30, 2009
    Sergeant Keroro: Kero 0
    Kumiko Watanabe
    Sergeant Keroro: Kero 0
    Etsuko Kozakura
    Sergeant Keroro: Kero 0
    Jouji Nakata
    Sergeant Keroro: Kero 0
    Takehito Koyasu
    Sergeant Keroro: Kero 0
    Takeshi Kusao