When Kwazii and Peso are shipwrecked on a desert island, they encounter a Combtooth Blenny - a fish who walks on land! They enlist him to send an SOS message to the other Octonauts.
Stars: Ross Breen, Teresa Gallagher, Simon Greenall
Director(s): Darragh O'Connell
Writer(s): Billy Aronson, Glen Berger, Ian Carney