Staying Up Late with the What-If Box!?

Synopsis

Nobita wakes up late again and gets scolded by Dad and Mom. By the time he's ready, Shizuka arrives to pick him up for school as promised. Fed up with being slow, Nobita wishes, "If only day and night were reversed!" Doraemon brings out the What-If Box and creates a world where day and night are flipped. Shizuka says goodbye and goes home, and when Mom asks if kids go to school during the day, she agrees they don't—Nobita is thrilled! But when he tries to watch TV, his parents scold him: "A child watching TV in the daytime!?" When Nobita asks friends to play, no one's around. Even Doraemon tells him to go to sleep. Determined to play alone, Nobita heads off in the opposite direction from Doraemon, but…!?