Sergeant Keroro (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.