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What Lies Beneath is the twenty-sixth episode of Slugterra. It aired in Canada on July 1, 2013


When Eli and the Shane Gang find themselves trapped in the Deep Caverns underneath Slugterra they discover a whole new type of danger threatening to escape. Allowing it past the barrier would mean unprecedented peril β€” not only for Slugterra, but our world above too!





  • The chair built by The Shanes as seen in The Great Abyss is similar to the one in The Drop as seen in "The World Beneath Our Feet Part 1" and "A Distant Shore".
  • The Shadow Talker is seen and used again after Eli gets it from his father's chest in "Inheritance", but this time Eli is able to handle its effects.
  • El Diablos Nacho returns after a long absence since "The New Kid Part 2".
    • But while in the Deep Caverns, unknown to the Shane Gang, Nacho also whispers his past encounters with the gang and Eli's identity as a Shane to Brimstone.
  • Brimstone references his past encounters with "Midlanders" (aka non-Darkbane) and the Shanes, probably hinting at his past encounters with Dr. Blakk and with Will Shane who had been defeated in The World Beneath Our Feet Part 1.


  • Eli shoots Sparky but Rocky is seen in the blaster.
  • John Bull's tubes are regular Slugs not ghouls.



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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"