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Revealed! Earth's Secret
Dr. Slump Arale-chan episode
Episode №: 233
Airdate: December 4, 1985
Japanese Title: バレタ!!地球のひみつ
Rōmaji: Bareta!! chikyuu nohimitsu
Previous: The Norimaki's Quiet Evening
Next: Hoyoyo!! Earth Falls Apart
Episode List

Revealed!! Earth's Secret (バレタ!!地球のひみつ Bareta!! chikyuu nohimitsu) is the 233rd episode of Dr. Slump Arale-chan.


While Arale and her friends are playing, they find a fossil house in the hole. When Senbei starts research on the fossil house, he finds a letter which is written in ancient characters. Turbo reads the words with his magical powers, and he finds out it is writing about an old secret of Earth...