In this 3rd cartoon of Sonic the Hedgehog, Sonic and his two siblings, Manic and Sonia are the hit rock band, Sonic Undeground. But in reality they are the children of Queen Aleana, the queen of Mobius. Queen Aleana was abandoned from Mobius by Sonic's enemy, Dr. Robotnik who turned Mobius into a waste land. So now Sonic, Manic and Sonia must fight Dr. Robotnik and his two sidekicks, Sleet and Dingo and the SWAT Bots, with the aid of their metal medallions and bring peace to Mobius and find mother! Will the hedgehogs find their mother? Will they defeat Robotnik? The resistance begins on Sonic Undergroud!
There are no TV Airings of Sonic Underground in the next 14 days.
Add Sonic Underground to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".