简介
平凡的一天，大雄偶然邂逅一条机灵可爱的小狗。小狗对他分外依恋，大雄无奈之下，只得拜托哆啦A梦想办法收养。与此同时，周围被丢弃的小猫小狗越来越多，小伙伴们忧心忡忡，甚至在后山也找不到小动物们借以安身立命之所。万般无奈之下，大雄他们将小动物带到连恐龙都尚未诞生的史前时代，利用进化退化枪促成动物们进化。。Because of their children's bad grades, some parents want the teacher Mrs. Müller gone. They meet with Mrs. Müller and try to convince her to leave the class.。