Sergeant Keroro: Kero 0 (30/04/2009)

Production :

Synopsis

This is episode 0, the prequel to the main Keroro Gunsou anime series. KeroZero was shown in theaters with Keroro Gunsou Movie 4.

渡辺久美子

小桜エツコ

Jōji Nakata

Takehito Koyasu