Shimajiro, who helped an injured baby whale Kuu-chan, takes care of Kuu-chan who wants to return to her mother and keeps her in touch. In order to return Ku-chan, who was about to be sent to the aquarium, to her mother, Shimajiro rides on her back and sets out on a journey toward the southern sea.
as Shimajiro Shimano
as Mimirin / Hana Shimano
as Torippii / Lion Police Officer
as Nyakkii Momoyama
as Shimajiro's Mother
as Shimajiro's Father
as Sea Fairy
as Starfish Man
as Zota
as Buta
as Gaogao-San
as Kankachi
as Gigi
as Hermit Crab
as Shimajiro
as Mimi-Lynne
as Flappie
as Nikki
as Hobi
as Benny
as Perro
as Rynh
as Dr. Leo
as Qiaohu
as Hobi
as Nanyi
