While Mario and Luigi are vacationing in Dinosaur Land, Bowser kidnaps the Princess. Mario and his new dino friend Yoshi go on a mission to save her.While Mario and Luigi are vacationing in Dinosaur Land, Bowser kidnaps the Princess. Mario and his new dino friend Yoshi go on a mission to save her.While Mario and Luigi are vacationing in Dinosaur Land, Bowser kidnaps the Princess. Mario and his new dino friend Yoshi go on a mission to save her.