10:21Old Jack's BoatBlue EarsCBeebies Radio Duration: 13 minutes Mon 22nd Jun 2015, 10:21 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