17:14Old Jack's BoatGrandpa PopsCBeebies Radio Duration: 15 minutes Fri 18th Dec 2015, 17:14 on CBeebies RadioAvailable for over a yearListen nowJack and Salty bump into Grandpa Pops, who wants a ride on the Rainbow...GenresChildren'sEntertainment & ComedyChildren'sMusicSeriesOld Jack's Boat Source: BBC Online