Synopsis

Nobita's father is haunted by a dream: his own father instructing him to be stern with Nobita, leading to a period of harsh treatment for the boy. Seeking a solution, Nobita and Doraemon journey to the past, where they encounter Grandpa, a figure known for his strictness. However, beneath the stern exterior lies a kind heart. After hearing their explanation, Grandpa travels thirty years into the future to gently advise Nobita's father to show more kindness.