Released
Sergeant Keroro Chibi Kero: Secret of the Kero Ball!?
(ちびケロ ケロボールの秘密!?)
2007N/A
Overview
Tells of the adventures of a young Keroro and Giroro back on Keron when they get trapped inside a prototype Kero ball.
Created By
Susumu Yamaguchi
(ちびケロ ケロボールの秘密!?)
Tells of the adventures of a young Keroro and Giroro back on Keron when they get trapped inside a prototype Kero ball.