In this musical special, the Octonauts must find a way to hold back hungry swarms of coral-eating starfish to save a new friend's fragile reef home. Watch all your favourite ABC programs on ABC iview.

A high in the Tasman Sea extends a ridge over the North Queensland waters and will persist for several days. Partly cloudy. 70% chance of showers. The chance of a thunderstorm. Please be awareWind and ...