Sgt. Frog Episode 143: Keroro, Miracle?! Keroro`s Father / Hinata House, Submerge!
Episode 143 of 358 of Sgt. Frog, aired January 12, 2007, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Keroro`s father drops by to visit, but Mecha Viper R dropped in first! Can Keroro`s father, the ultimate sergeant, save them from the fate of being bronze statues? And then the Hinata house starts sinking, thanks to too much secret base digging underground... Source: crunchyroll