游游上学第一天便糗事不断，笑料百出。他天真地称男老师为爸老师，女老师为妈老师，结果成为全班同学的笑柄。游游因此感到很委屈，也很丢面子，但不久他便重新找回了自信与开心，因为他发现，不管男老师还是女老师，对他几乎与爸爸妈妈一样好。(The first day to the school, Yoyo makes a laughingstock of himself.Innocently he calls the male teacher Teacher Dad and the female teacher Teacher Mom.Yoyo feels wronged and hurt. But he soon resumes confidence and happiness, because he discovers that both the male and the female teachers are indeed as good as his parents.)