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The Best Episodes of LEGO Hero Factory Season 4

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Every episode of LEGO Hero Factory Season 4 ranked from best to worst. Discover the Best Episodes of LEGO Hero Factory Season 4!

The Best Episodes of LEGO Hero Factory Season 4

Based on the LEGO Hero Factory toys, the show focuses on building heroes to protect the world from evil.
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  1. Background image for Brain Attack
    NaN/10(0 votes)

    #1 - Brain Attack

    S4:E1

    An evil force unleashes alien brains on Makuhero City; the alien brains have the power to turn nice guys into bad guys.

    Director:Unknown
    Writer:Unknown
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Season 4 Ratings Summary