Dr. Slump found the secret treasure named “Eye of Rainbow” of legendary Nanaba Castle in the mountain. This treasure makes every dream come true. When the robbery gang of Arale, Ga-chan tried to steal this treasure, Bisna who is the descendant of Nanaba Kingdom took the treasure. Bisna wanted to revive the devil and Nanaba Kingdom. Arale and her friends went towards the secret Nanaba Castle to get back the treasure.
(Source: Official Website)+ More
Characters & Voice Actors

Kimidori, Akane
Main
Sugiyama, Kazuko
Japanese
Norimaki, Gajira
Main
Norimaki, Arale
Main
Koyama, Mami
Japanese
Soramame, Peasuke
Main
Jinbo, Naomi
Japanese
Soramame, Tarou
Main
Furukawa, Toshio
Japanese
Daiou, Nikochan
Supporting
Ootake, Hiroshi
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