Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors was released on March 7, 2009.

Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors was directed by Susumu Yamaguchi, Takayuki Uragami, Junichi Sato.

Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors has a runtime of 1h 35m.

Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors was produced by Tsuguhiko Kadokawa, Kenji Uchida, Hiroshi Iijima.

Mysterious giant beings called "Ryu no Shippo" (Dragon Tails) appeared across the world. Due to the danger it could bring, the Keroro Platoon did a worldwide research on the Dragon Tails, but Tamama suddenly disappeared during the research. Because of this, the whole platoon started their search for Tamama and ended up in Mont-Saint-Michel, France where they met mysterious girl named Sion, who holds the mysterious Ryu no Hon (Dragon Book). But little they know about the secrets about her and the worldwide calamity that would destroy the entire world, as they know it.

The key characters in Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors are Kumiko Watanabe, Etsuko Kozakura, Jouji Nakata.

Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors is a Comedy, Animation, Drama film.

Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors has an audience rating of 6 out of 10.