Sgt. Frog Season 4 Episode 165 Kululu: Acting Commander, Sir! / Koyuki: Normal Extra-hard Training, Sir!

When Keroro is hospitalized with a bad back, Kululu becomes acting commander in his place, a terrifying prospect for the rest of the platoon when they have to show hospitality to a peevish but important ambassador from another planet. Later, right when ninja Koyuki wants to become "normal," the Keroro platoon invites her to join their new "Let's Become Normal" class, but little does she suspe...