Slugterra Season 1 Episode 21 The Unbeatable Master ( Air Date 2013-02-22 ) Genre Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Family category. Overview "A mysterious slugslinging master appears for the first time in 20 years. Though old, this slinger is an amazing battler—incredibly fast and the master of an unstoppable slinging technique. Eli, Kord, Trixie and Pronto all want to study with the master and learn this awesome move.".
Slugterra Season 1 Episode 21 The Unbeatable Master
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- Watch: Slugterra Season 1 Episode 21 The Unbeatable Master on CWR-CRB
- Stars: Sam Vincent, Shannon Chan-Kent, Andrew Francis, Lee Tockar, Brian Drummond, Michael Dobson, Trevor Devall
- Director:
