Chō Gekijōban Keroro Gunsō 2: Shinkai no Princess de Arimasu!
 Chō Gekijōban Keroro Gunsō 2: Shinkai no Princess de Arimasu! (超劇場版 ケロロ軍曹２ 深海のプリンセスであります！ Sergeant Keroro Movie 2: The Deep Sea Princess) is a comedy adventure film based on the anime and manga series Sgt. Frog. It is an adaptation of Volume 20 of the manga series.