Réalisation: Blair Simmons
Quand des volcans en surchauffe déclenchent une série de catastrophes à travers l'océan, les Octonauts doivent relever le plus grand défi de leur vie.
Teresa Gallagher
Dashi (voice)
Simon Greenall
Captain Barnacles (voice)
Michael C. Murphy
Turnip (voice)
Paul Panting
Peso (voice)
Rob Rackstraw
Kwazii (voice)
Keith Wickham
Shellington / Inkling (voice)
Jo Wyatt
Tweak (voice)
Helen Walsh
Whale (voice)
Teresa Gallagher
Dashi (voice)
Simon Greenall
Captain Barnacles (voice)
Michael C. Murphy
Turnip (voice)
Paul Panting
Peso (voice)
Rob Rackstraw
Kwazii (voice)
Keith Wickham
Shellington / Inkling (voice)
Jo Wyatt
Tweak (voice)
Helen Walsh
Whale (voice)
Teresa Gallagher
Dashi (voice)
Simon Greenall
Captain Barnacles (voice)
Michael C. Murphy
Turnip (voice)
Paul Panting
Peso (voice)
Rob Rackstraw
Kwazii (voice)
Keith Wickham
Shellington / Inkling (voice)
Jo Wyatt
Tweak (voice)
Helen Walsh
Whale (voice)