Sonic Underground
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Season 1
Sonic Underground
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20 episodes
1. Wedding Bell Blues
1. Wedding Bell Blues
Robotnik announces that he will marry Queen Aleena in a plot to become the king of Mobius.
22min
Oct 3, 1999
2. To Catch a Queen
2. To Catch a Queen
Argus, a captain of the Queen's guard, is captured by Sleet and Dingo before he can reach the secret rendezvous where he was to meet Queen Aleena.
22min
Aug 30, 1999
3. Mobodoon
3. Mobodoon
Sonic, Sonia and Manic return to their birthplace, Mobodoon, a beautiful, festive town.
22min
Aug 31, 1999
4. The Price of Freedom
4. The Price of Freedom
Sonia travels to east Mobius to visit her friend Mindy at the LaTour estate.
22min
Sep 1, 1999
5. Underground Masquerade
5. Underground Masquerade
Sleet and Dingo plan to collect the taxes owed to Robotnik from the Duke of Velcronia but keep it for themselves.
22min
Sep 2, 1999
6. Tangled Webs
6. Tangled Webs
The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage.
22min
Sep 5, 1999
7. The Deepest Fear
7. The Deepest Fear
On a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.
22min
Sep 6, 1999
8. Who Do You Think You Are
8. Who Do You Think You Are
Queen Aleena's royal journals are rumored to be buried under a palace in the city of Tashistan.
22min
Sep 7, 1999
9. Last Resort
9. Last Resort
While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.
22min
Sep 8, 1999
10. Come out Wherever You Are
10. Come out Wherever You Are
Sonia is invited to a debutante ball, but before she can be officially announced to society, she and her brothers, Manic and Sonic have an important mission.
22min
Sep 9, 1999
11. Winner Fakes All
11. Winner Fakes All
Robotnik organizes a track meet to lure Sonic into a trap.
22min
Sep 12, 1999
12. A Hedgehog's Home Is Her Castle
12. A Hedgehog's Home Is Her Castle
The Hedgehogs receive a message they believe is from their cousin.
22min
Sep 13, 1999
13. Artifact
13. Artifact
The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction.
22min
Sep 14, 1999
14. Bug
14. Bug
A faction of the Freedom Fighters is wiped out by a swarm of metallic fly-bots.
22min
Sep 15, 1999
15. Sonic Tonic
15. Sonic Tonic
A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him as fast as Sonic so that he may finally catch him.
22min
Sep 16, 1999
16. Friend or Foe
16. Friend or Foe
The Hedgehogs converge on the Floating Island, in their latest attempt to find their Mother.
22min
Sep 19, 1999
17. Head Games
17. Head Games
As Sonic begins to chow chili dogs for a snack, he finds a message in the sack from his mother urging him to head to Speedster Island.
22min
Sep 20, 1999
18. When in Rome...
18. When in Rome...
Sonic becomes frustrated that maybe all of their efforts of fighting for freedom seem futile.
22min
Sep 21, 1999
19. The Jewel of the Crown
19. The Jewel of the Crown
Robotnik has his sights set upon Queen Aleena's crown jewel, which glows as it is moved closer her.
22min
Sep 22, 1999
20. Three Hedgehogs and a Baby
20. Three Hedgehogs and a Baby
Sonic, Manic, and Sonia find an abandoned baby in an alley and search for the baby's parents.
Sep 23, 1999
