Queen Aleena, the kind and fair ruler of Mobius, was overthrown by Dr. Robotnik and his robotic armies. Robotnik seized control of the planet and forced her into hiding. To preserve the dynasty, Queen Aleena separated and hid her three children: Sonic, Manic and Sonia after the Oracle of Delphius told her of a prophecy: one day they would reunite with their mother to form the Council of Four, overthrow Robotnik, and become the rightful rulers of Mobius once more. (Sonia is the only girl among the children) Meanwhile, Dr. Robotnik did his best to set up an autocratic government, and legally "roboticized" anyone who stood against him, and forced the nobles into paying large amounts of money to him as tribute.
When Sonic, Manic and Sonia grew up, the Oracle of Delphius revealed the prophecy to them: So Sonic, Manic and Sonia decided to go on a quest, searching throughout Mobius for Queen Aleena. Dr. Robotnik, with the assistance of the bounty hunters Sleet and Dingo, tries constantly to capture the royal family and prevent the prophecy from being fulfilled.
The three siblings have powerful medallions that can change into musical instruments, that are also weapons when the triplets are in perfect harmony with each other. Sonic's medallion is an electric guitar. Sonia's medallion is a keyboard that functions as a smoke machine, Manic's medallion is a drumset that can be used as an "earth controller" with cymbals that can deflect laserfire. All of the medallions can be used as laser guns. The three use the amulets not only to fight Robotnik's forces but to also as instruments for their underground (illegal) rock band, Sonic Underground.
Sonic Underground had a storyline that was very similar to that of SatAM, because a few of the writers from that show were involved on this. It was stated that 65 episodes were originally going to be made, but only 40 episodes were aired.
- U.S.A.: 1999
- United Kingdom: 1999-2000
- France: 1999
- Sonic the Hedgehog
- Sonia the Hedgehog (AKA pink Sonic)
- Manic the Hedgehog (AKA green Sonic)
- Dr. Robotnik
- Knuckles the Echidna
First Used By
Often Used By
Sometimes Used By
- A small, cult fanbase.
- Many Sonic fans believing it was terrible.
- This was the only one of the three Sonic cartoons produced by DiC to feature Knuckles; however, it doesn't feature Tails.
- It is considered by many people to be one of the worst Sonic cartoons ever produced due to how thin its resemblance to the games is. The next Sonic series, Sonic X would be much closer to the games... well, from the second season onwards, anyway.
- Sonic, Sonia, and Manic are all voiced by Jaleel White/Steve Urkel.