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Adventures of Sonic the Hedgehog: 1x9
Subterranean Sonic
Sonic and Tails escape underground from Scratch and Grounder, but they are held captive there by a miserly mole named Spelunk.
1 - 1Best Hedgehog Sep. 06, 1993
1 - 2Tails' New Home Sep. 07, 1993
1 - 3Birth of a Salesman Sep. 08, 1993
1 - 4Submerged Sonic Sep. 09, 1993
1 - 5Pseudo Sonic Sep. 10, 1993
1 - 6Over the Hill Hero Sep. 13, 1993
1 - 7Robolympics Sep. 14, 1993
1 - 8Lovesick Sonic Sep. 15, 1993
1 - 9Subterranean Sonic Sep. 16, 1993
1 - 10Grounder the Genius Sep. 17, 1993
1 - 11High Stakes Sonic Sep. 20, 1993
1 - 12Blank-Headed Eagle Sep. 21, 1993
1 - 13Boogey-Mania Sep. 22, 1993
1 - 14Big Daddy Sep. 23, 1993
1 - 15The Robotnik Express Sep. 24, 1993
1 - 16Mama Robotnik's Birthday Sep. 27, 1993
1 - 17Slowwww Going Sep. 28, 1993
1 - 18So Long Sucker Sep. 29, 1993
1 - 19Robotnik's Rival Sep. 30, 1993
1 - 20Trail of the Missing Tails Oct. 01, 1993
1 - 21Momma Robotnik Returns Oct. 04, 1993
1 - 22Too Tall Tails Oct. 05, 1993
1 - 23Super Special Sonic Search & Smash Squad Oct. 06, 1993
1 - 24Magnificent Sonic Oct. 07, 1993
1 - 25Zoobotnik Oct. 08, 1993
1 - 26Tails in Charge Oct. 11, 1993