Video artist Ryosuke visits the suburb of Furano in Hokkaido, tuikan.cc where his friend lives, in order to shoot a video. His car breaks down and Ryosuke decides to walk to a house and ask for a phone. The person that opens the door is his former girlfriend and first love Haruka. They meet for the first time in 23 years. Even though Ryosuke knows that she is married, he takes her to his video shooting and they get close. Ryosuke leaves Hokkaido in 2 days and he asks Haruka to spend one more day with him.
现实对大雄来说总是很残酷，大雄并没因此而拥有强大的魔力，而且拥有魔毯是一件和奢侈的事情，而大雄家是支付不起的。另外，在这里，科学被视为迷信。著名的魔法研究者满月博士（中村正 配音）告知大家一个可怕的消息：魔界星不过多久便会完全接近地球。大雄想变回现实世界，但是“如果电话亭”早己被妈妈处理掉了。满月博士解读古文书后被捉走，逃亡的美夜子（小山茉美 配音）找到了大雄等人并得到他们的支持，大家一起出发至魔界星，解救博士…… 本片是哆啦A梦剧场版系类第一次用电脑图形CG绘画。
