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.
卢克·布雷西,妮娜·杜波夫,克里斯平·格洛弗,Ella Ryan Quinn,克雷·班奈特,小克利夫顿·克林斯,大卫·休莱特,娜迪亚·法尔丝,托莫·希思黎,马克·达卡斯考斯,罗伯托·坎帕内利亚,加布里埃尔·格雷厄姆,何超仪,达林·贝克,Scott Faulconbridge,博拉·艾伊奥拉,塞缪尔·哈迪达