B't X

Chase! Metal Face Counterattacks! (1x10)

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X and Teppei are attacked by the B't Madonna and Metal Face. They force X and Teppei to crash into a deadly valley. It's a place where the sound of the wind can affect a B't and shatter them completely. For their luck, some stranger helped him. He is Professor Zaji and he's wanted by the Machine Empire. To escape from the valley and rescue the Professor, X and Teppei must be united to overcome the effects of the wind.