Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors (2009)
| Release Date: | 2009, March 7 |
| Directors: | Susumu Yamaguchi |
| Countries: | Japan |
| Production: | SUNRISE |
| Cast: | Akira Ishida, Megumi Toyoguchi, Akiko Hiramatsu, Ikue Otani, Takehito Koyasu, Takeshi Kusao, Ryo Hirohashi, Jouji Nakata, Nana Mizuki, Kumiko Watanabe, Mamiko Noto, Nobuyuki Hiyama |