Episode Title:
It's summer! Camping in the valley! (Activities in the summer camp) / Living the primitive lifestyle! (The past has set a new task).
Episode Description:
It's summer! Camping in the valley! (Activities in the summer camp): Kenichi and Yumeko lose their way back to the camp. But Hattori uses the ninja technique of saving with wood and manages to save Kenichi and Yumeko from drowning in the water.
Living the primitive lifestyle! (The past has set a new task): The teacher tells the students to save resources for future. So, the Mitsuba family begin living a saving lifestyle on Hattori's insistence. Kemumaki and Kio make the Mitsuba family famous unintentionally.
