Keroro Gunso the Super Movie 4: Gekishin Dragon Warriors

Keroro Gunso the Super MovieGekishin Dragon Warriors Ch Gekijban Keroro Guns Gekishin Doragon Worizu de arimasu ? is the 4th film made from the popular anime series Sgt. Frog. The film was released on March 7, 2009 in Japanese theatres. It was produced by Sunrise, the studio behind the TV anime. The film later got released to DVD on July 24, 2009 in Japan.

Source: Wikipedia