LEGO Hero Factory Season 4
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Based on the LEGO Hero Factory toys, the show focuses on building heroes to protect the world from evil.
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LEGO Hero Factory Season 4 Full Episode Guide
Episode 1 - Brain Attack
First Aired: March. 31,2013
An evil force unleashes alien brains on Makuhero City; the alien brains have the power to turn nice guys into bad guys.
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