Sonic Underground 5b3u3r
Overview:
Sonic Underground is an animated series that follows the adventures of Sonic the Hedgehog and his siblings, Sonia and Manic. The cartoon follows a main plot separate from all other Sonic the Hedgehog media. The series ran for two seasons, each of twenty episodes. As of June 11, 2012 re-runs of the series began airing on Disney XD.