When Harold and George turn fourth-grade teacher Ms. Ribble into an evil monster called the Wedgie Woman, she wreaks havoc on the world, giving the wedgie of doom to unsuspecting people who stand in her way--including principal-turned-superhero Captain Underpants.When Berto and Jorge turn a fourth-grade teacher into the evil Supermujer Macroelâastica, she gives the wedgie of doom to people who stand in her way--including principal-turned-superhero Capitâan Calzoncillos George and Harold have really done it this time . . . they've created a MONSTER! She's faster, stronger, and more evil than anything the world has seen before --she's Wedgie Woman! With the help of her horrible robots and her ravenous robo-claw, Wedgie Woman is on a mission to take over the world, and she'll give a whopping wedgie to anyone who stands in her way --including Captain Underpants. Will Wedgie Woman's wicked ways spell the end for our heroes? Spanish title: El Capitan Calzoncillos y la furia de la supermujer macroelasticaJorge y Berto si la han hecho esta vezHan creado un MONSTRUO! Es la criatura mas rapida, fuerte y diabolica del mundo, la Supermujer Macroelastica. Con la ayuda de sus horripilantes robots y su garra robotica, la Supermujer Macroelastica se aduena del mundo y le da una paliza a cualquiera que se interponga en su camino, incluyendo al Capitan Calzoncillos. Podra la Mujer Macroelastica destruir a nuestros heroes?