Ep. 112: Nobita studies item origins with Doraemon's temporary reversal gadget

112

Nobita completes his school assignment by investigating the origins of household objects. Observing his unusual diligence, Doraemon provides a device that reverts items to their original state for fifteen minutes. This tool allows Nobita to trace the history of various items found around the house, fulfilling the educational requirements of his project through direct observation of their past forms.