Sonic Underground
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.
EP 1
EP 2
EP 3
EP 4
EP 5
EP 6
EP 7
EP 8
EP 9
EP 10
EP 11
EP 12
EP 13
EP 14
EP 15
EP 16
EP 17
EP 18
EP 19
EP 20
EP 21
EP 22
EP 23
EP 24
EP 25
EP 26
EP 27
EP 28
EP 29
EP 30
EP 31
EP 32
EP 33
EP 34
EP 35
EP 36
EP 37
EP 38
EP 39
EP 40
