Thishour-longyoungadultseriesfeaturedthecharactersfromthepopularchildren’sbooks,"TheHardyBoys"and"NancyDrew,"inaweeklymystery.TheteamofFrankandJoeHardyalternatedwithNancyDreweveryotherweek,withindependentstorylines.Severalepisodesfeaturedalargermysterywithacross-overscheme,involvingtheinvestigativetalentsallthreecharacters.WrittenbyPhilFernandoFrankandJoeHardyweretheteenagesonsofworld-renownedprivateinvestigatorFentonHardy.SnoopingmusthavebeenintheHardyblood,sinceFrankandJoewerealwaysstumblingacrossmysteriousgoings-on,usuallyofthenon-violentkind.Kidnapping,smuggling,robbery,missingpersonsandhauntedhouseswerethenormintheHardyhometownofBayport,althoughtheiradventuresoftentooktheboystoothercitiesorevencountries.Frankwasthesensible,olderbrother,whileJoewasimpulsiveandabuddingpopsinger.GertrudewasFrank&Joe’ssometimesnaggingaunt,CalliewasFrank’scutegirlfriendandHarryagovernmentagenttheHardyboysoccasionallyworkedwith.---->A