Sgt. Frog Episode 180: Keroro, War Is a Big Scramble
Episode 180 of 358 of Sgt. Frog, aired September 29, 2007, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Karara and Chiroro show up again, intent on winning Keroro`s heart! But Tamama cannot bear that, and Mois-chan is hurt that they are even trying. Pururu shows up to save the day, but maybe she is not as helpful as they all think, either! Source: crunchyroll