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Masao loses the ball in a neighbor's property. As Shin-chan and Masao get afraid of the pet dog, they use a piece of meat to divert the dog's mind and take the ball back.
Shin-chan joins Misae to the hospital for a regular checkup as her bodyguard. Shin-chan promises the doctor that he will take care of Misae. But on the way home, Shin-chan sleeps and Misae carries Shin-chan on her back.
