Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore - and when a geyser blasts it toward the surface, the Octonauts must stop its ascent before it fatally bursts.
主演：凯伦·福原,丹·史蒂文斯,斯特林·K·布朗,迪·布拉雷·贝克尔,德翁·科尔,丽亚·德拉利亚,杰克·格林,格蕾·德丽斯勒,加里格莱斯,伊恩·哈丁,约翰·霍吉曼,琼·杰特,马特·洛,斯科特·波特,贝琪·索达罗,柯伊·斯图尔特,麦克-李昂·伍德利,Rhea Butcher,Taylor Louderman,Faith Graham
