电影This popular animated tel evision cart oon featur ed two Sto ne Age f amilies, the Flintstones an d their neighbor s, the Rubb les. Much of the humor wa s based on its co mic portrayals of modern conveniences , reint erpreted using Stone Age ' technology.&a mp;#39; Most no tably were the ir cars, complete with a bsence of f loorboar ds to allow t hem to b e 'fo ot-powered .'！