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.
They were true heroes.
Das waren echte Helden.
Ellos sí que son unos héroes.
Ellos sí que son unos héroes.
C’étaient de vrais héros.
Erano davvero degli eroi.
Eles são verdadeiros heróis.
Настоящие герои.