Overview: While Leo is engaged in battle with 2 monster brothers, his long-lost brother, Astra arrives to assist him.
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First Air Date: Apr 12, 1974Last Air date: Mar 28, 1975Season: 1 SeasonEpisode: 51 EpisodeRuntime: 25 minutesQuality: HDIMDb: 7.83 / 10 by 12 usersPopularity: 24.19Language: Japanese