Octonauts - Series 1: 3. The Crab and Urchin
Animated deep sea adventures with Captain Barnacles and his band of explorers. Barnacles and Kwazii investigate a disruption involving a crab on a nearby reef.
Barnacles and Kwazii investigate a disruption on a nearby reef: a carrier crab and the urchin who lives on its shell just can't seem to get along.