Old Lady Spring's Great Yokai War! (おはるさんの妖怪大戦争！ Oharusanno youkai daisensou!) is the 170th episode of Dr. Slump Arale-chan.
Synopsis[]
When Senbei, Arale, and her friends go to a picnic, they run into the rain. So they decide to wait in a cave until the rain stops. While they are in the cave they find a cemetery...