Sergeant Keroro: Kero 0
- Cast: Kumiko Watanabe, Etsuko Kozakura, Jouji Nakata, Takehito Koyasu, Takeshi Kusao
- Duration: 15 minutes
- Genre: Animation
- Rating: N/A/10
- Release Date: 2009-04-30
This is episode 0, the prequel to the main Keroro Gunsou anime series. KeroZero was shown in theaters with Keroro Gunsou Movie 4.
