Slugterra: Slug Fu Showdown
Date aired: February 2015
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Eli has added some awesome new slugs to his arsenal: the extremely powerful Elemental Slugs. But in order to control them, Eli must learn Slug Fu--the ancient form of slugslinging that Junjie mastered in the Eastern Caverns. Slug Fu is the art of guiding and controlling a slug in battle--a skill that only the greatest slugslingers can master.