Sergeant Keroro: Kero 0
ケロ０ 出発だよ！全員集合！！
Release: 2009-04-30
·Runtime: 15m
Animation
This is episode 0, the prequel to the main Keroro Gunsou anime series. KeroZero was shown in theaters with Keroro Gunsou Movie 4.
Production Countries
Japan
