
Sonic Underground
Sonic, Sonia, and Manic are the children of Queen Aleena Hedgehog, the rightful ruler of Mobius, and are pursued relentlessly by Doctor Robotnik and his bumbling bounty hunters sidekicks, Sleet and Dingo. As infants, the siblings were separated and p...
Sonic Underground
Sonic, Sonia, and Manic are the children of Queen Aleena Hedgehog, the rightful ruler of Mobius, and are pursued relentlessly by Doctor Robotnik and his bumbling bounty hunters sidekicks, Sleet and Dingo. As infants, the siblings were separated and placed in hiding to fulfill a prophecy made by the Oracle of Delphius that the triplets would grow up to find their estranged mother, overthrow Robotnik, and take their places once more as Mobius' rightful rulers.
Sonic Underground
Sonic, Sonia, and Manic are the children of Queen Aleena Hedgehog, the rightful ruler of Mobius, and are pursued relentlessly by Doctor Robotnik and his bumbling bounty hunters sidekicks, Sleet and Dingo. As infants, the siblings were separated and p...

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Episodes
Episode 1: Someday
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Episode 2: Working Together
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Episode 3: All in This Together
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Episode 4: 411
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Episode 5: Found My Home
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Episode 6: Money Can't Buy
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Episode 7: Good Times
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Episode 8: Children Light the Way
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Episode 9: Face Your Fears
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Episode 10: We Need to Be Free
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Episode 11: Listen to Your Heart
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Episode 12: Society Girl
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Episode 13: Built for Speed
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Episode 14: Let's Do It To It
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Episode 15: Can't Own Everything
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Episode 1: Beginnings (Origins, Part 1)
The history of the Underground is told in detail, from the fall of Mobotropolis to the rise of Robot...
Episode 2: To Catch a Queen
The Hedgehogs begin to learn the important lessons of what it takes to be a freedom fighter.
Episode 3: Mobodoon
Manic, Sonic and Sonia must end their training early when Robotnik threatens the Oracle and takes a...
Episode 4: The Price of Freedom
Sonia travels to east Mobius to visit her friend Mindy at the LaTour Estate. After being given a wat...
Episode 5: Underground Masquerade
Sleet and Dingo plan to collect the taxes owed to Robotnik from the Duke of Velcronia but keep it fo...
Episode 6: Tangled Webs
The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage. Rob...
Episode 7: The Deepest Fear
On a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sinking due to the Mobian s...
Episode 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. As S...
Episode 9: The Last Resort
While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Val...
Episode 10: Come Out Wherever You Are
Sonia is invited to a debutante ball, but before she can be officially announced to society, she and...
Episode 11: Winner Fakes All
Robotnik organizes a track meet to lure Sonic into a trap. Robotnik is sure that Sonic will not sit...
Episode 12: A Hedgehog's Home Is Her Castle
The Hedgehogs receive a message they believe is from their cousin. In the message, a castle is left...
Episode 13: Artifact
The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an a...
Episode 14: Bug!
A faction of the Freedom Fighters is wiped out by a swarm of metallic fly-bots. When Manic goes in s...
Episode 15: Sonic Tonic
A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him as fast as Sonic so th...
Episode 16: Friend or Foe?
The Hedgehogs converge on the Floating Island, in their latest attempt to find their Mother. Sleet a...
Episode 17: Head Games
As Sonic begins to chow chili dogs for a snack, he finds a message in the sack from his mother urgin...
Episode 18: When in Rome...
Sonic becomes frustrated that maybe all of their efforts of fighting for freedom seem futile. Sonia...
Episode 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....
Episode 20: Three Hedgehogs and a Baby
Sonic, Manic and Sonia find an abandoned baby in an alley and begin a search for the baby's parents....
Episode 21: Dunes Day
Sonic and his siblings travel to the outskirts of Mobius to recruit a tribe of nomads for the Resist...
Episode 22: Mummy Dearest
Sonic, Manic and Sonia invade Robotnik's lair to retrieve the Hedgehog crest. After the book is recl...
Episode 23: Hedgehog in the Iron Mask
The Hedgehogs latest quest to find their mother takes them to the prison tower where they encounter...
Episode 24: Six Is a Crowd
The Oracle advises the Hedgehogs to undertake a mission which could reveal answers about their futur...
Episode 25: Flying Fortress (Chaos Emerald Crisis, Part 1)
What is supposed to be a vacation for Sonic, Manic and Sonia turns into a battle to save Mobius when...
Episode 26: Wedding Bell Blues
Robotnik announces that he will marry Queen Aleena in a plot to become the king of Mobius. Upon hear...
Episode 27: No Hedgehog Is an Island (Chaos Emerald Crisis, Part 2)
Sleet and Dingo escape the Flying Fortress with the Chaos Emerald. In a fight over who will control...
Episode 28: Getting to Know You (Origins, Part 2)
The Hedgehogs begin to learn the important lessons of what it takes to be a freedom fighter. The Ora...
Episode 29: New Echidna in Town (Chaos Emerald Crisis, Part 3)
Knuckles reluctantly makes a deal with Robotnik to turn over Sonic and his family in exchange for fi...
Episode 30: Harmony or Something (Origins, Part 3)
Manic, Sonic, Sonia must end their training early when Robotnik threatens the Oracle and takes a mem...
Episode 31: Country Crisis
Queen Aleena advises the Hedgehogs to travel to a valley of Mobius so that they can bring about peac...
Episode 32: Haircraft in Space
Robotnik is using the local hairdresser, Doo-bot, to get information on the citizens that are agains...
Episode 33: Healer
A self proclaimed scientist has come to Robotropolis with a device that will reverse the effects of...
Episode 34: Sonia's Choice
Robotnik has arranged a museum exhibit of the Royal family goblets. Knowing that Sonic, Sonia and Ma...
Episode 35: The Big Melt
The Hedgehogs vacation is interrupted by the news of Robotnik's latest weapon. They are shocked as t...
Episode 36: Sleepers
On a mission in a distant sector of Robotropolis, the Hedgehogs are informed that freedom fighters h...
Episode 37: Bartleby the Prisoner
Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy. Art's objective...
Episode 38: The Art of Destruction
Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy. Art's objective...
Episode 39: The Pendant
The newly discovered Emerald Peninsula is a perfect place for Robotnik to add slaves to his empire....
Episode 40: Virtual Danger
Sonic and Manic play a game of virtual reality to enhance their pilot skills. When the two brothers...
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