Sergeant Keroro The Super Duper Movie 2: Deep Sea Princess (2007) is a Animation, Comedy, Science Fiction film that follows another Kiruru appears in the South Pacific, but it was defeated by two unknown entities that look like Keronians, with subtle differences. Meanwhile, Keroro and the gang goes for a trip sponsored by Momoka to a private island. There, an alien named Meru, who claims himself as the prince of the deep sea, captures them, and aims to make Natsumi his princess, and that they had captured Keroro, who pleads to them to assist the Keroro Platoon, only to be kicked out. Sergeant Keroro The Super Duper Movie 2: Deep Sea Princess is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.8 out of 10 from 7 votes. Fans of animation movies may also want to explore similar titles below.