 Seeing no other alternative, Keroro dons the helmet, intending to enlarge himself and send orders to Kiruru.But when that fails, he decides to stall Kiruru while Fuyuki, Natsumi, and Giroro head for the mystery shrine and figure out a way to stop Kiruru.Back at the mystery shrine, Fuyuki and Natsumi discover that it was Kiruru that destroyed the dinosaurs, and when Kiruru absorbs enough dark emotions, he starts multiplying, and only Mirara can stop Kiruru.