Captain Barnacles Bear, Lieutenant Kwazii Cat, Medic Peso Penguin and the crew head off on an adventure to the deepest, darkest depths of the Amazon River in search of a hidden city full of treasure.

The Vegimals' plans for a Christmas feast aboard the Octopod are interrupted when the Octonauts are all entangled in a gigantic blob of sea snot! Watch all your favourite ABC programs on ABC iview.

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