Overview: Grasshopper Gray builds an antenna that amplifies sound 3000 times. Masaru saves a young boy who is being attacked by Grasshopper Gray.
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First Air Date: Jul 08, 1972Last Air date: Mar 30, 1974Season: 2 SeasonEpisode: 89 EpisodeRuntime: 25 minutesQuality: HDIMDb: 7.80 / 10 by 4 usersPopularity: 25.75Language: Japanese