Slugterra: Into The Shadows (2016)

Plot

Eli and the Shane Gang face a mounting challenge upon their return from the Eastern Caverns as they grapple with the Shadow Clan, a new threat emerging from the Surface. With tensions rising and adversaries lurking, the gang must navigate a web of conflicts involving familiar foes and fresh dangers. As the stakes escalate, teamwork and resilience become crucial if they hope to protect their home and confront the chaos unleashed by this dark new arrival. With every encounter, Eli's leadership will be tested in the fight for Slugterra's future.