Sonic underground is a version of sonic in the underground dimension
the other Sonic of Sonic X is from the Sonic X dimension
check Sonic (disambiguation) Mobius encyclopeadia
No he doesn't~ The brother. sister and mother of Sonic were created especially for Sonic underground. (although Sonic does have a mother and Father in the comics, but the mother is different from what she is in sonic underground)
Sonic underground!!!!!!!
They only appear in sonic underground
Sonic Underground is an animated TV series. And no, you cannot unlock episodes, or characters other than Sonic, from Sonic Underground in Super Smash Bros Brawl.
I think that there is a program called SonicX.
Adventures of Sonic the Hedgehog, Sonic Underground and I think one more but I forgot the name.
No, there's three other Sonic shows:Adventures of Sonic the Hedgehog (AoStH)Sonic the Hedgehog (SatAM)Sonic Underground
In Sonic X, Sonic lives in a parallel version of Earth, while Chris lives on the other Earth.
there are 3 sonic shows other than sonic x. they are adventures of sonic the hedgehog, sonic SatAM, and Sonic Underground. You can see episodes of these shows on YouTube.com
sonic is only related to sonya and manic the hedgehog acording to birth in sonic underground shadow on the other hand was created using sonic's DNA so there is somewhat of a relationship in DNA
No sorry. It was cancelled at episode 40 before they were released
you cant sonic underground was cancelled after 40 all other 41s are fake phonies