TheseriescentersonMario,LuigiandPrincessToadstool,nowlivinginDinosaurLand(sometimesalsocalledDinosaurWorld)withYoshi,whoisdepictedontheshowasacuriouschildlikedinosaurwithalargeappetiteandseveralphobias.KingKoopa(otherwiseknownasBowser)andtheKoopalingswerealsoaround,havingfollowedtheSuperMarioBros.andthePrincesstoDinosaurLand.