S1, E204: The Flying Fish: When a school of flying fish accidentally make off with a rare book belonging to Professor Inkling, the Octonauts rig up the Gup-B to fly after them and get it back.The Narwhal: While exploring the Arctic, the Octonauts’ ship, the Octopod, gets trapped in the ice. Only Barnacles skillful navigation – and the help of a friendly Narwhal – can get them free.