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