15-year-old Eli Shane is a regular kid except for one thing: he comes from a long line of Shanes, each who has journied from the surface to protect Slugterra and the slugs that make the world special.
Now its Eli's turn to be Slugterra's next Shane, whether he's ready or not! Unfortunately, the slugslinging tournament he enters to prove that he's ready, pretty quickly shows that he's not!
Tad's hypnotic slug Pieper has gone megamorph, his gang of supporters all have Gattler blasters, and Tad's control over his army of ghouls is stronger than Dr. Blakk's ever was. The Shane Gang are under non-stop ghoul fire as they struggle to put a stop to Tad's plans and end the mass ghouling of slugs once and for all.
In order to reach the Emperor of the Eastern Caverns, Eli and Junjie pose as Underlords to enter the Tournament of Underlords.
Upon returning to the Outlaws' jungle camp, the Shane Gang suffer a sneak attack from the Emperor's Underlord Holt, who steals almost all of their slugs and loads them onto the Dragon Train for transport to the Emperor. With precious few slugs to use as ammo, the Shane Gang must be extra resourceful to get them back.
Eli and the Gang find a way to take Junjie back home to the Eastern Caverns-and find a whole bunch of trouble waiting for them when they get there!
To master the mysterious slug-slinging art of Slug Fu, Eli must train alone with Junjie. That means leaving behind the rest of the Shane Gang-as well as all of Eli's slugs, and the ultra-powerful Elementals! Pronto vows to keep the Elementals safe, but proves so annoying that they run-er, hop-away!
To save Slugterra and the Elemental Slugs reaches its climax as the Shane Gang face a final showdown.
The Shane Gang and Junjie race across the 99 caverns to keep the Elemental Slugs out of the hands of the Goon.
The Dark Slinger and his marauders have invaded Slugterra! But there's more to this new threat than meets the eye. Eli must fight a very different kind of duel to save Slugterra...and himself.
Eli and the Shane Gang have vanquished Dr. Blakk. But a new threat emerges from beyond the 99 caverns.
Dr. Blakk has succeeded in creating a gap in the magical slug-energy barrier that protects Slugterra!
Dr. Blakk and his Darkbane minions have discovered a way to make their ghouls faster and stronger - giving them an edge over the Shane Gang.
The Shane Gang defend the perimeter from the legions of Blakk Guards sent to free Dr. Blakk from prison.
Dr. Blakk has been captured! Now it's up to the Shane Gang to transport him to Stalagmite 17, the only prison that can hold him.
A mysterious creature is draining the energy from all the slugs in a distant cavern, and the residents are offering a rich reward to whoever can stop it.
The four members of the Shane Gang think they've found the fifth in Twist, a street-smart kid who volunteers his help when the gang needs it most on a mission gone wrong.
A fun trip to the mall cavern turns un-deadly when the place is over run by the zombie-like victims of the Zombus slug.
After a wild ride on the mysterious Flumes - the Underriver that runs beneath all of Slugterra - the Shane gang find themselves dropped into a sea cavern.
Long thought to be merely a legend, an Enigmo Slug has finally been spotted. The bidding is high for this rarest of all slugs, and so is the competition to be the first grab it! Eli and the gang actually beat Slugterra's most vicious slug hunter to the prize-only to find that the hunter is now hunting them!