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.
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Cast & Characters
| Kumiko Watanabe | |
| Etsuko Kozakura | |
| Jouji Nakata | |
| Takehito Koyasu | |
| Takeshi Kusao |