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Sgt. Frog
ケロロ軍曹
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Keroro Gunsou: KeroZero Shupattsudayo! Zeninshuugou!
Spring 2009 / Special / 1 episode / FINISHED
Master show guide8 related entries74% score
This is episode 0, the prequel to the main Keroro Gunsou anime series. KeroZero was shown in theaters with Keroro Gunsou Movie 4. On the day of Keroro battalion's departure from Keron Planet to Planet Earth, an opposing alien species assails the Keron space station, where Giroro and Zeroro (later known as Dororo) are waiting for Keroro to arrive.
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Known total: 1 episodes
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Sgt. Frog is treated as the master show for navigation here. Each entry keeps its own board, and the franchise has a shared board for broader discussion.
Master show: Keroro Gunsou8 related entries
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Episode 1
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