UpgradeΒ is the thirty-fifth episode ofΒ Slugterra.


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?


After learning that Blakk resurfaced in slugterra, the Shane Gang transport him to Stalagmite 17. During the trip, Quentin, using his new Titan Tanks, try's to break Dr.Blakk out. After escaping him once, Kord reveals the new mecha updates he made. After returning, Quentin drives the gang into a gorge full with 3 other tanks. Despite defeating all the tanks however, Blakk gets out and into a tank. While chasing the gang though, Eli discovers Megamorphing Β by driving his mecha until 100 mph while he was about to shot Burpy. After being knocked into a gorge, Eli manages to take out Blakk and manages to get him to Stalagmite 17.





  • According to Trixie, Dr. Blakk has been gone for more than two weeks since the Shadow Clans teleported him to somewhere else in the episode "Lightwell".
  • Trixie says that Stalagmite 17 has been reinforced since Mr. Saturday took over in "Mission: Improbable".
  • Quintin returns after his first appearance in "Roboslugs" and Trixie also mentions that his inventions almost crushed them from the same episode.




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Slugterra Series Listing
Season 1 "The World Beneath Our Feet Part 1" Β· "The World Beneath Our Feet Part 2" Β· "The Trade" Β· "The Slugout" Β· "Club Slug" Β· "The Slug Run" Β· "Mecha Mutiny" Β· "Deadweed" Β· "Shadows and Light" Β· "Mario Bravado" Β· "Endangered Species" Β· "Undertow" Β· "Dawn of the Slug" Β· "The New Kid Part 1" Β· "The New Kid Part 2" Β· "Snowdance" Β· "Inheritance" Β· "A Distant Shore" Β·"The Journey Home" Β· "Roboslugs" Β· "The Unbeatable Master" Β· "Deep Water, Dark Water" Β· "The Gentleman and the Thief" Β· "No Exit" Β· "The Hard Part" Β· "What Lies Beneath" Β· "The Return" Β· "Slugball" Β· "King of Sling" Β· "Mission: Improbable" Β· "Keys to the Kingdom" Β· "The Thrill of the Game" Β· "Lightwell" Β· "It Comes by Night" Β· "Upgrade" Β· "Back to Blakk" Β· "Bandoleer of Brothers" Β· "Dark as Night" Β· "Light as Day"
Season 2 "Slugterra: Ghoul from Beyond" Β· "Slugterra: Return of the Elementals" Β· "Slugterra: Slug Fu Showdown"
Season 3 "Slugterra: Eastern Caverns" Β· "Second Chances" Β· "Get Pronto" Β· "Stuff of Legend" Β· "Eastern Tech" Β· "Slug Day" Β· "The Fall of the Eastern Champion" Β· "The Lady and the Sword" Β· "The Emperor Strikes Back" Β· "The Return of the Eastern Champion"
Season 4 "Slugterra: Into the Shadows"

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