Sgt. Frog Episode 152: Keroro, Frequent Appearance! Planet Andou`s Heaven
Episode 152 of 358 of Sgt. Frog, aired March 16, 2007, 25 minutes. Available with English subtitles and dub where released.
Episode summary
A major intergalactic travel program has chosen Earth to spotlight, and Keroro helped them with the highlights! There`s lots of reminiscing about previous episodes, especially those embarrassing Giroro, but Keroro seems to have something sneaky planned... Source: crunchyroll