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.
Poonam Basu,Lotus Blossom,Julieta Cortes,Eleanor Noel Delgadillo,Nevin Kar,Jason Maybaum,Callie C. Miller,Oscar Daniel Reyez,Giancarlo Sabogal,Sydney Thomas