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Mutta's proposal to improve the lunar rover is received well. But he still hasn't convinced Chief Butler to let him train for lunar missions. Desperate for ideas, Mutta researches Chief Butler's history for clues.
First Air Date : Mar 31, 2012
Last Air date : Mar 22, 2014
Episode : 99 Episode
Season : 2 Season
Runtime: 24:14 minutes
Country: Japan