Slugterra

Season 1, Episode 21

Episode Title: The Unbeatable Master

Air Date: 2013-02-22

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.