Mr. Magoo is hired by his neighbors to babysit their little son, Homer. Magoo is delighted to accept but, unfortunately, a notorious cat burglar is intent on entering and robbing the house Magoo is babysitting it. To make matters worse, Magoo is constantly confusing Homer with the family dog and vice versa. When the thief finally breaks in, all chaos breaks loose but everything turns out all right in the end when the thief is apprehended thanks to the dog who is more alert than Magoo was.
8月12日,灼热的京都左京区。“下鸭幽水庄”唯一的空调不开了。坏朋友小津昨晚把遥控器给淹了。正当“我”和电影社团“みそぎ”的冷酷美人明石商量对策时,出现了一个长相木讷、素不相识的男学生·田村。据说他是乘坐时光机从25年后的未来过来的。就在这时,“我”突然灵光一闪。用这个时间机器回到昨天,拿起坏掉之前的遥控器不就行了吗!但是,小津他们随心所欲地改变昨天,改写过去。预感到世界毁灭危机的“我”,慌忙介入阻止,不过,已经晚了!最后,遥控器和日常生活能平安回来吗!?以及,“我”和明石的恋爱去向是——?在“昨天”与“今天”之间,放眼世界稀里糊涂胡乱使用时间机器的故事,开始了!