SlugTerra: Return of the Elementals (2014)

Plot

Eli and the Shane Gang have a new ally, Junjie, a former guardian of the Eastern Caverns and an expert in the ancient art of Slug Fu. Together, they embark on a perilous quest across The 99 Caverns to locate the Legendary Elemental Slugs—powerful beings that are the ancestors of all slugs in SlugTerra. However, a malevolent alliance threatens to capture these ancient creatures, putting the entire realm at risk. United with old friends and new, Eli and his team must act quickly to thwart this looming danger and protect their world from destruction.