Story: Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends.

The Octonauts is a British children's television series, produced by Silvergate Media for the BBC channel Cbeebies. The series is animated in Ireland by Brown Bag Films but uses British voice actors. The TV series is based on American-Canadian children's books written by Vicki Wong and Michael C. Murphy of Meomi Design Inc.