Season 1
(1999)
Cast
as Sonic / Manic / Sonia (voice)
as Dr. Robotnik (voice)
as Sleet (voice)
as Dingo (voice)
as Queen Aleena (voice)
as Cyrus (voice)
as Sonic (singing voice)
as Manic (singing voice)
as Sonia (singing voice)
Episodes
Beginnings (Origins, Part 1) 8.0
August 30, 1999
The history of the Underground is told in detail, from the fall of Mobotropolis to the rise of Robotnik. Included, is a…
To Catch a Queen 0.0
August 31, 1999
The Hedgehogs begin to learn the important lessons of what it takes to be a freedom fighter.
Mobodoon 0.0
September 1, 1999
Manic, Sonic and Sonia must end their training early when Robotnik threatens the Oracle and takes a member of the resis…
The Price of Freedom 0.0
September 2, 1999
Sonia travels to east Mobius to visit her friend Mindy at the LaTour Estate. After being given a watch by her friend Mi…
Underground Masquerade 8.0
September 3, 1999
Sleet and Dingo plan to collect the taxes owed to Robotnik from the Duke of Velcronia but keep it for themselves. To av…
Tangled Webs 0.0
September 6, 1999
The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage. Robotnik makes Cyrus g…
The Deepest Fear 0.0
September 7, 1999
On a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast. The legen…
Who Do You Think You Are 0.0
September 8, 1999
Queen Aleena's royal journals are rumored to be buried under a palace in the city of Tashistan. As Sonic and his siblin…
The Last Resort 0.0
September 9, 1999
While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort. Althoug…
Come Out Wherever You Are 0.0
September 10, 1999
Sonia is invited to a debutante ball, but before she can be officially announced to society, she and her brothers, Mani…
Winner Fakes All 0.0
September 13, 1999
Robotnik organizes a track meet to lure Sonic into a trap. Robotnik is sure that Sonic will not sit out on a challenge …
A Hedgehog's Home Is Her Castle 0.0
September 14, 1999
The Hedgehogs receive a message they believe is from their cousin. In the message, a castle is left to Sonia, who revel…
Artifact 0.0
September 15, 1999
The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction. Sonic and S…
Bug! 0.0
September 16, 1999
A faction of the Freedom Fighters is wiped out by a swarm of metallic fly-bots. When Manic goes in search of the insect…
Sonic Tonic 0.0
September 17, 1999
A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him as fast as Sonic so that he may finally c…
Friend or Foe? 0.0
September 20, 1999
The Hedgehogs converge on the Floating Island, in their latest attempt to find their Mother. Sleet and Dingo also have …
Head Games 0.0
September 21, 1999
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 Sp…
When in Rome... 0.0
September 22, 1999
Sonic becomes frustrated that maybe all of their efforts of fighting for freedom seem futile. Sonia suggests that they …
The Jewel of the Crown 0.0
September 23, 1999
Robotnik has his sights set upon Queen Aleena's crown jewel, which glows as it is moved closer her. Sonic, Manic and So…
Three Hedgehogs and a Baby 0.0
September 24, 1999
Sonic, Manic and Sonia find an abandoned baby in an alley and begin a search for the baby's parents. Manic grows partic…
Dunes Day 0.0
September 27, 1999
Sonic and his siblings travel to the outskirts of Mobius to recruit a tribe of nomads for the Resistance. The Hedgehogs…
Mummy Dearest 0.0
September 28, 1999
Sonic, Manic and Sonia invade Robotnik's lair to retrieve the Hedgehog crest. After the book is reclaimed, they discove…
Hedgehog in the Iron Mask 0.0
September 29, 1999
The Hedgehogs latest quest to find their mother takes them to the prison tower where they encounter a masked stranger w…
Six Is a Crowd 0.0
September 30, 1999
The Oracle advises the Hedgehogs to undertake a mission which could reveal answers about their future. Sonic, Manic and…
Flying Fortress (Chaos Emerald Crisis, Part 1) 0.0
October 1, 1999
What is supposed to be a vacation for Sonic, Manic and Sonia turns into a battle to save Mobius when Robotnik attacks w…
Wedding Bell Blues 0.0
October 4, 1999
Robotnik announces that he will marry Queen Aleena in a plot to become the king of Mobius. Upon hearing the alarming ne…
No Hedgehog Is an Island (Chaos Emerald Crisis, Part 2) 0.0
October 5, 1999
Sleet and Dingo escape the Flying Fortress with the Chaos Emerald. In a fight over who will control the Emerald's power…
Getting to Know You (Origins, Part 2) 0.0
October 6, 1999
The Hedgehogs begin to learn the important lessons of what it takes to be a freedom fighter. The Oracle provides teache…
New Echidna in Town (Chaos Emerald Crisis, Part 3) 0.0
October 7, 1999
Knuckles reluctantly makes a deal with Robotnik to turn over Sonic and his family in exchange for finding the Chaos Eme…
Harmony or Something (Origins, Part 3) 0.0
October 8, 1999
Manic, Sonic, Sonia must end their training early when Robotnik threatens the Oracle and takes a member of the resistan…
Country Crisis 0.0
October 11, 1999
Queen Aleena advises the Hedgehogs to travel to a valley of Mobius so that they can bring about peace between two conti…
Haircraft in Space 0.0
October 12, 1999
Robotnik is using the local hairdresser, Doo-bot, to get information on the citizens that are against him. Sonia become…
Healer 0.0
October 13, 1999
A self proclaimed scientist has come to Robotropolis with a device that will reverse the effects of Robotnik's robotici…
Sonia's Choice 0.0
October 14, 1999
Robotnik has arranged a museum exhibit of the Royal family goblets. Knowing that Sonic, Sonia and Manic will want to re…
The Big Melt 0.0
October 15, 1999
The Hedgehogs vacation is interrupted by the news of Robotnik's latest weapon. They are shocked as the submarine melts …
Sleepers 0.0
October 18, 1999
On a mission in a distant sector of Robotropolis, the Hedgehogs are informed that freedom fighters have disappeared and…
Bartleby the Prisoner 0.0
October 19, 1999
Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy. Art's objective is to destroy every…
The Art of Destruction 0.0
October 20, 1999
Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy. Art's objective is to destroy every…
The Pendant 0.0
October 21, 1999
The newly discovered Emerald Peninsula is a perfect place for Robotnik to add slaves to his empire. Sonic, Sonia and Ma…
Virtual Danger 0.0
October 22, 1999
Sonic and Manic play a game of virtual reality to enhance their pilot skills. When the two brothers decide to put their…