讲述了一个关于责任担当的故事，米米塔帮乌啦啦老师搬箱子，却发现里面的班级奖状不见了，当他看到窗外飞着一架花花绿绿的纸飞机时，意识到问题不那么简单。他感到非常非常自责，为了追回班级奖状他不顾一切，应付调皮的小妖怪们的种种刁难。虽然没有找回奖状，但却有了很多意外收获。
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