Nobita's parents decide to get him a tutor as his grades are bad so Nobita decides to use himself 3 years in the future to answer his school questions now. But his future self is dumb because Nobita did not study and that Nobita too has a future self who turns up and complains that he is dumb too because Nobita 3 years in the future did not study either. The three of them go to the kindergarten Nobita, saying that if they want to improve their grades,they have to start from the beginning. However none of them has the heart to tell the kindergarten Nobita to study, so they return to the present time.
Los padres de Nobita deciden conseguirle un tutor ya que sus calificaciones son malas, por lo que Nobita decide usarlo 3 años en el futuro para responder sus preguntas de la escuela ahora. Pero su yo futuro es tonto porque Nobita no estudió y que Nobita también tiene un yo futuro que aparece y se queja de que él también es tonto porque Nobita 3 años en el futuro tampoco estudió.