Sgt. Frog - Season 1 Episode 21 Keroro's Energy-Saving Invasion / Keroro's Countryside Exploration
The Hinata family and the Keroro Platoon have to deal with a power failure in the heat of summer. / Keroro and Co. stow away on the Hinata's family visit, and must keep themselves hidden from Grandma.
- Genre: Animation, Comedy, Sci-Fi & Fantasy
- Studio: TV Tokyo
- Keyword: pop culture, alien, based on manga, alien invasion, world domination, anime, talking animal
- Cast: Kumiko Watanabe
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