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

Norimaki, Gajira
Main
Daiou, Nikochan
Supporting
Gala
Supporting
Nikochan's Servant
Supporting
Norimaki, Senbei
Supporting
Norimaki, Turbo
SupportingRecommended for you
Dr. Slump: Arale-chan [RAW]
TV
25m
The Galaxy Railways
TV
24m
Girls & Panzer: Taiyaki War!
Special
10m
Room Camp
TV
3m
Tamayura
OVA
18m
Kamisama Kazoku
TV
25m
MegaMan: Axess
TV
24m
Sekirei
TV
23m
Yu-Gi-Oh! GX
TV
23m