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.
There's no such thing as a flying pig!
Ich hab mir das fliegende
Schwein nur ausgedacht!
¡Los cerdos no vuelan!
¡Los cerdos no vuelan!
Ça n’existe pas,
les cochons volants !
Non esistono i maiali che volano!
Porco voador não existe!
Летающих свиней не бывает!