15-year-old Eli Shane is just a regular kid from the suburbs, except for one thing: he comes from a long line of Shanes, each of whom has made the journey from the surface to protect Slugterra and the slugs that make the underground world so 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, quickly shows that he's not! So when word of this new Shane reaches the ears of the nefarious Dr. Blakk, he's not too worried... yet.

Eli Shane wins his battles and gets a new slug. It's time for the finals, but Eli is beaten with a dark slug given to his opponent by Dr Thaddius Blakk.

The gang has to trade one of Eli's prized his slugs for some new gear, but when Eli has second thoughts and goes back to get his slug, they learn its been sold to Dr. Blakk!

When the hooligang enters the Quiet Lawn Cavern and think no one is tough enough to stand up to them, they get proven wrong by Eli and his gang.

When Eli and the gang enter the Deadweed cavern, they discover a huge amount of El Diablus Nacho, the Dark Water Dr Blakk uses to brainwash innocent slugs.

Eli wants to enter the Slug Run, despite being told he isn't experienced enough. He finds himself up against some tough opponents, including Vance Volt, who works for Blakk.

When even Kord can't find a way to fix what's wrong with the new upgrades to the Shane Gang's Mecha Beasts, it's time to go to the source: the wondrous Mecha Forge! Hoping to find the cause of the glitch, the gang instead uncovers a huge conspiracy--hatched by Dr. Blakk!

Eli doesn't believe in ghosts -- until he enters Deadweed cavern! But it turns out Eli's first instinct was right. What lurks inside Deadweed is far more evil than ghosts, its El Diablus Nacho, after a supply of the dangerous Dark Water that Dr. Blakk uses to turn innocent slugs into Ghouls.

A short cut takes the Shane Gang through the territory of the Shadow Clan -- and try as they might not to, they are discovered and captured by the mysterious creatures. Just when it looks like our heroes are done for, they are helped out of this jam by a most unlikely savior.

Pronto is thrown in jail on trumped-up charges by a corrupt judge, and the only chance to break him out is Eli making a one-in-a-million trick shot. Only one slinger in all of Slugterra can help Eli make a shot like that—Mario Bravado. Finding the formerly-great-but-now-washed-up Mario is easy. Getting him to help is something else entirely.

Long thought to be merely a legend, an Enigmo Slug has finally been spotted. The bidding is high for this, the 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!

After a wild ride on the mysterious Flumes, the Underriver that runs beneath all the Slugterra, the Shane gang find themselves dropped into a sea cavern, where they are promptly shanghaied into the crew of the Pirate Captain Malvolio Drake.

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. With Pronto zombified (not entirely a bad thing, the others kind of like this new, quieter, more monosyllabic Pronto), the rest of the Shane Gang must find the mysterious Mr. Saturday who controls the Zombus slugs -- and find a way to stop him.

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. However, Twist harbors a dark secret that could doom the mission — and the Shane Gang.

Along with Twist, the Shane Gang plan to rob a train carrying the last of Dr. Blakk's Dark Water. They work out the plan and are trapped by Diablos Nacho. Kord realises that Twist works for Dr. Blakk.

Avalanched inside a frozen cavern, the Shane Gang can't figure out which is worse: being trapped with a vicious Ice Ogre that only gets bigger the more you shoot it? Or needing to work with The Hooligang to get out?

A thief breaks into the Shane Gang HQ looking for the fabled "Shane Treasure" — a portion of which she believes belongs to her. The thief escapes with nothing, but Eli does manage to find a treasure chest. To unlock it, and when they finally open the box, what's inside is not at all what they were expecting..

Notorious con man Gar Revelle has many convinced he has discovered the way to a secret land... a land that seems to be the surface! Eli uncovers the truth—Gar is getting his information from a coded Shane diary.

Chiller causes trouble on the Slugs journey; such as sneeze-freezing the tunnel home, angering a Slughound, and getting Burpy caught by Locke and Lode.

Driven by his intense slug phobia, scientist Quentin Kozinski has invented mechanical slugs. Armed with this fearsome arsenal, he sets out to prove that science can beat any slug - and any slinger - including the Shane Gang!

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.

Blakk has hired Brutale to build a Deep Water Rig to drill for Dark Water at the bottom of the Cavern Sea. Needing some water-breathing labor for the job, Brutale steals Marvolio Drake's reptilian pirate crew. Desperate to get his men back, Drake forms an unlikely alliance with the Shane Gang, who are just as desperate to shut the Dark Water rig down.

Using some stolen Shadow Clan tech, Dana Por is able slip in and out of any cavern in Slugterra—and rob them blind! But when she makes the mistake of stealing from Dr. Blakk, Eli is the only one who can protect her from The Gentleman, a suave but deadly mercenary Blakk hires to take back what was stolen from him—and bring back the scalp of the girl who stole it!

Lumino cavern is under attack! A swarm of Neurotox ghoul slugs have created a massive toxic cloud that's attacking the residents. The Shane Gang must brave an inescapable maze called the Cavern of Time to locate Blite, Blite is a deadly maniac, whose reign of terror ended only after Will Shane trapped him in the Cavern of Time. All these years, Blite has been dreaming of getting revenge on the Shane. So Eli better be ready!

Eli and Kord have been trying to create a fusion shot which consists of two slugs being shot at the same time using both of their powers. In order to make it work, they’ll need to travel to Scrap Heap, a junk yard cavern protected by Boss Ember and his Scrap Force.

Eli and the Shane Gang become trapped in caverns underneath SlugTerra and discover a new type of danger that is threatening to escape.

Armed with his powerful new weapon the Gatling Blaster, Blakk's unstoppable battle train threatens to run roughshod over all of Slugterra - unless Eli can master his new Double Barrel Blaster and come up with a powerful fusion move in time to stop it.

Kords' troll friends compete in the Slugball but when they are injured, it's up to the Shane gang to find out why the battle field is infested with high-tech traps, and come out victorious.

It's up to the Shane gang to help The King duel with Dr. Blakk to save his home cavern.

The Shane Gang's been captured by the zombifying Mr. Saturday. Locked up in Stalagmite 17, they are helpless as Dr. Blakk begins the trip there to collect them. Only one hope remains the two members of the Shane Gang Saturday didn't capture: Pronto and Burpy. Can this mismatched pair pull off an impressive prison break?

The Shane Gang follow Diablos Nacho to Molemound - the Molenoid home cavern. Pronto doesn't want to go - and not because he's in trouble. It turns out Pronto is the rightful KING of the Molenoids. He's been ducking the crown for years since the king's main responsibility is settling arguments and fixing leaky plumbing. But Pronto must play king for a day while the Shane Gang follows Nacho into the great Molenoid library to stop him from taking a valuable map. Meanwhile, Pronto faces an unwelcome challenge for the throne by his Life! Long! Nemesis! Seedo.

The Shane Gang must use every bit of skill they have when they are lured into an elaborate game by a Twisted villain calling himself the Game Master.

Burpy is sick, and the only thing that will cure him is a trip to the Lightwell - a mysterious, hidden power source only slugs (and the Shadow Clan) know the way to. Burpy can't make it on his own, so Eli vows to take him there. He convinces the Shadow Clan to point the way, but the journey is fraught with peril. Meanwhile the rest of the Shane Gang must fight side by side with the Shadow Clan when Blakk's minions attack.

When a mysterious creature begins draining the energy from all the slugs in a distant cavern, the residents offer a rich reward to whoever can stop it.

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. To do so, they're going to need some serious speed. That's just what they get when we reveal Kord's new modifications to their Mecha Beasts! But will it be enough to stand up to Blakk's own newly-designed super vehicles?

While his henchmen attempt to spring him from prison, Dr. Blakk tells Eli his life story and describes his rivalry with Will Shane.

Seen through the eyes of the slugs, the Shang Gang must liberate a cavern with the help of a new member of Eli's team a Blastipede slug named Rookie.

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. In order to even the odds, Eli is going to need his most powerful slugs and an upgraded blaster from Redhook. The only problem is, Dr. Blakk already has the slingersmith working for him... Eli and the gang attempt a daring rescue mission to free Redhook, but along the way discover Blakk has a much more sinister plan in the works.

Dr. Blakk has succeeded in creating a gap in the magical slug-energy barrier that protects Slugterra, opening the way for the evil Darkbane to tunnel their way up from the Dark Caverns. Eli and the Shane gang must stop this at any cost. Now armed with a selection of upgraded slugs, blasters and armor, they take the battle to Dr. Blakk's front door. While his team slugs it out against Dr. Blakk's minions, Eli takes on Blakk himself once and for all!

Just when the evil Dr. Blakk has been defeated and it seems like Eli Shane’s duties as protector of Slugterra are getting easier, a new danger emerges from beyond the 99 caverns. Eli and the Shane Gang rush to the rescue, but nothing can prepare them for what they encounter: a slug that can do something no one in Slugterra has ever seen — or heard — a slug do before! Traditional slugslinging no longer applies — Eli will have to engage in a very different kind of duel to save Slugterra...and himself!

A new member has joined Eli and the Shane Gang! Junjie, once the protector of the Eastern Caverns, is a master of the slugslinging art of Slug Fu! But even with the power of five slingers, the Shane Gang find themselves in over their heads as they race across the 99 caverns in search of the legendary Elemental Slugs. The five Elementals are ancient slugs of great power, and the forebearers of all slugs found in Slugterra today. In the wrong hands, they could bring Slugterra to the brink of destruction. So, when an evil alliance starts hunting down the Elementals, Eli and his friends — both old and new — take off in pursuit of the greatest threat their world has ever faced!

Eli has added some awesome new slugs to his arsenal: the extremely powerful Elemental Slugs. But in order to control them, Eli must learn Slug Fu--the ancient form of slugslinging that Junjie mastered in the Eastern Caverns. Slug Fu is the art of guiding and controlling a slug in battle--a skill that only the greatest slugslingers can master.

Eli and the Gang find a way to take Junjie back home to the Eastern Caverns and discover trouble waiting for them when they arrive.

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.

In order to reach the Emperor of the Eastern Caverns, Eli and Junjie pose as Underlords to enter the Tournament of Underlords. But when Holt turns up to expose the Shane Gang, it's up to Pronto to stop him.

In a climactic battle, Junjie and Eli confront the Emperor and the Dai-Fu as the fate of the entire Eastern Caverns hangs in the balance!

While Junjie struggles with the knowledge of what he did during his time as the Dark Slinger, the Shane Gang meet a former servant of the Emperor who wants to turn over a new leaf. But can the Shane Gang help a bad guy learn to do good?

The Shane Gang decides to use Pronto as bait when they arrive at a cavern overrun by thieves. But their plan goes awry when Underlord Holt arrives and commands the thieves to work together to bring him Pronto - dead or alive!

When the Shane Gang travel to the Auroris Mine, they discover a legendary monster carved out of stone attacking the mines—the Pyritor. Trixie studies the legend to help them locate the creature’s home and put a stop to its reign of terror, but first they must confront the true nature of the beast, and its assistant!

Determined to up his game against Stone Warriors, Kord visits a famous Eastern Technician for help creating a new blaster upgrade. Building the new upgrade is difficult…but working with the Technician is practically impossible!

A winter-time holiday has arisen in the Eastern Caverns around the mysterious “Giver,” who makes an annual visit to deliver slugs to the people of the East. But when a group of thieves make off with the Giver’s precious cargo of slugs, the gang must ride to the rescue—and discover the secret of who the Giver really is.

Junjie recounts the ancient history of the Eastern Caverns and his ancestors, and the events that led to his downfall and transformation from the Eastern Champion to the Dark Slinger.

When Pronto accidentally uses the Emperor's sword blaster, he can suddenly do no wrong. Meanwhile, Lady Dai-Fu manipulates Underlord Holt into trapping the Shane Gang with a new superweapon: the Iron Warrior!

The Emperor sets to work creating Unstoppable Warriors to reclaim the Eastern Caverns. To make things even more difficult, a bounty is placed on Junjie's head, sending the Dai-Fu and hordes of the Emperor's Underlords after the Shane Gang.

Junjie, Eli and the Gang rally their friends in the Eastern Caverns—and even some of their old enemies—to help them take down the Emperor and all of his Unstoppable Warriors once and for all!

As the Shane Gang returns to the 99 caverns from their Eastern adventure, they find Gateway Cavern overrun with slugs. In the Shane Gang's absence, the Shadow Clan took a different approach to protecting the caverns, putting slugs before the needs of people and it's up to Eli and the gang to restore balance.

The Shane Gang takes Tad under their wing, training him to become a great slugslinger with Eli's old blaster. Their training is put to the test when the Gang brings Tad to answer a distress call that leads to a showdown with the Scrap Force and the Shadow Clan.

Tad is missing after the slug-out with the Shadow Clan, so the Gang sets off without him to investigate reports of slugs disappearing. The mystery deepens as the trail of slugs leads straight to Dr. Blakk's old stronghold!

Tad's hypnotic slug Pieper has gone megamorph, his gang of supporters all have Gattler blasters and Tad's control over his new 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 the mass ghouling of slugs once and for all.