19:45Old Jack's BoatBlue EarsCBeebies Radio Duration: 13 minutes Wed 17th Jun 2015, 19:45 on CBeebies RadioAvailable for over a yearListen nowOld Jack has to keep Derek the Deep Sea Dastardly Duke’s amazing secret.GenresChildren'sEntertainment & ComedyChildren'sMusicSeriesOld Jack's Boat Source: BBC Online