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.
Bye-bye!
Bye-bye!
¡Adiós!
¡Adiós!
– Bye bye !
– Bye bye !
Ciao ciao!
Tchauzinho!
Пока!