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Adventures of Sonic the Hedgehog
Season 1 · Episode 9
Subterranean Sonic
0.022mSeptember 16, 1993
Sonic and Tails escape underground from Scratch and Grounder, but they are held captive there by a miserly mole named Spelunk.
Episodes
- Episode 1Best Hedgehog
- Episode 2Tails' New Home
- Episode 3Birth of a Salesman
- Episode 4Submerged Sonic
- Episode 5Pseudo Sonic
- Episode 6Over the Hill Hero
- Episode 7Robolympics
- Episode 8Lovesick Sonic
- Episode 9Subterranean Sonic
- Episode 10Grounder the Genius
- Episode 11High Stakes Sonic
- Episode 12Blank-Headed Eagle
- Episode 13Boogey-Mania
- Episode 14Big Daddy
- Episode 15The Robotnik Express
- Episode 16Mama Robotnik's Birthday
- Episode 17Slowwww Going
- Episode 18So Long Sucker
- Episode 19Robotnik's Rival
- Episode 20Trail of the Missing Tails
- Episode 21Momma Robotnik Returns
- Episode 22Too Tall Tails
- Episode 23Super Special Sonic Search & Smash Squad
- Episode 24Magnificent Sonic
- Episode 25Zoobotnik
- Episode 26Tails in Charge
- Episode 27Musta Been a Beautiful Baby
- Episode 28Sonic the Matchmaker
- Episode 29Attack on Pinball Fortress
- Episode 30The Last Resort
- Episode 31Coachnik
- Episode 32Sonic Gets Thrashed
- Episode 33Close Encounter of the Sonic Kind
- Episode 34Tails Prevails
- Episode 35Robotnik, Jr.
- Episode 36The Magic Hassle
- Episode 37Blackbot the Pirate
- Episode 38Hedgehog of the "Hound" Table
- Episode 39Robotnik's Pyramid Scheme
- Episode 40Prehistoric Sonic
- Episode 41Untouchable Sonic
- Episode 42Sonic Breakout
- Episode 43Sonically Ever After
- Episode 44The Mystery of the Missing Hi-tops
- Episode 45Super Robotnik
- Episode 46Mass Transit Trouble
- Episode 47Spaceman Sonic
- Episode 48MacHopper
- Episode 49Baby-Sitter Jitters
- Episode 50Full Tilt Tails
- Episode 51Lifestyles of the Sick and Twisted
- Episode 52Road Hog
- Episode 53The Mobius 5000
- Episode 54Honey, I Shrunk the Hedgehog
- Episode 55Sonic's Song
- Episode 56Sno Problem
- Episode 57Sonic Is Running
- Episode 58Mad Mike, Da Bear Warrior
- Episode 59Robotnikland
- Episode 60The Little Merhog
- Episode 61Robo-Ninjas
- Episode 62Fast and Easy
- Episode 63Tails' Tale
- Episode 64The Robots' Robot
- Episode 65Hero of the Year