Dr. Brain's Great Hoyoyo Battle (ドクター脳ほよよ大作戦 Dokutaa nou hoyoyo daisakusen) is the 213th episode of Dr. Slump Arale-chan.
Synopsis[]
Dr. Brain, who has a lot of weapons, tries to make a base at Penguin Village to destroy the Earth. But in the Penguin Village, Dr. Brain's little brother, Mr. Kuriatama, is there...