三位小魔仙希雅、海昕和夏凡在化解了海萤堡的灾难后，回到人类世界-悦悠岛，成为了海洋保育馆的见习保育员。在保育馆的见习生活中，她们学习了解到各种海洋知识，并积极参与到救助海洋生物的行动中。 然而，一个自称“铁鹰战队”的神秘团队突然造访悦悠岛，利用各种高科技装备，四处捕捉各种海洋生物。这一切原来是精于制造各种机器的幻仲博士在幕后指使的，希雅、海昕、夏凡三人随即用魔仙力量与之展开一场保护海洋生物的战斗……
3度目のアニメ化決まる 累計600万部の人気SFコメディー
When a prehistoric Sponge is unfrozen, he causes chaos all over town - and only SpongeBob can communicate with him! When a flock of clams descend on Bikini Bottom, SpongeBob has to get them out before they ruin the whole town!
The series follows Kiff, an optimistic squirrel whose best intentions often lead to complete chaos, and her best friend Barrya sweet and mellow bunny. Set in the bustlinc mountains, where animals and magica creatures live together in harmony, the series features the duo, who take the town by storm with their endless adventures and zest for life.
