Gunma-chan, Uncle Akio, Aoma, and Meemi visit Gunma's kofun site and wander into an alternate world beneath Gunma in the Season 2 finale.
Gunma Power!
Gunma Power!
¡Poder Gunma!
¡Poder Gunma!
Gunma Power !
Gunma... power!
Gunma Power!
Сила Гуммы!