Story: Captain Barnacles and his brave band of explorers roam the oceans in search of fun and adventure. While rescuing river creatures after a storm, the Octonauts find a strange looking egg and come under attack by stinging platypuses.

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.