剧情介绍：　　Fromspydolphintospytunaandturtle,forthefirsttimeanunderwatermenagerieofspycreaturesinfiltratethesecretworldofdolphins.Swimmingalongsidesomeofthemostcaptivatingandcleveranimalsontheplanet,thesenewspiesarealwaysonthemove–catchingthewaveswithsurfingbottlenosedolphinsandspeedingwithamegapodofspinnerdolphinsccc　　FromtheteamatJohnDownerProductionsthatbroughtyoutheunforgettablePenguins–SpyInTheHuddle,thisisoneofthenation’sfavouriteanimalsseenasneverbefore.　　JohnDownersays:“UnlikePenguin-cams,thistimeourspycreatureshadtokeeppacewithfast-movingdolphins,oftenoutinthedeepocean.Thedolphinswereverycuriousabouttheirnewneighboursandallowedthemintotheirlives.”　　Anewtwo-partseries,narratedbyDavidTennant,theseriesproducerisJohnDownerandtheproducerisRobPilley.