The Octonauts help him move the research base before it falls into an ice chasm, but more trouble is on the way - the chasm lies between a group of Adelie Penguins and their breeding grounds.

The Octonauts are led by a polar bear called Captain Barnacles, and also feature a cat called Kwazi, a penguin called Peso ... also conclude with a 'creature report' – a catchy little song ...