Sonic Underground
Sonia is invited to a debutante ball, but she and her brothers must go on a mission first.
Sonia is invited to a debutante ball, but she and her brothers must go on a mission first.
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Sonic attempts to rescue a captured Freedom Fighter.
The Freedom Fighters prepare for what may be their final battle.
Uncle Chuck finds himself increasingly at risk operating as a spy in Robotropolis.
Sonic and Tails team up to thwart Robotnik's scheme to possess the magic Deep Power Stones.
An indestructible war machine attacks.
A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him as fast as Sonic.
Freedom Fighters are obliterated by a swarm of metallic fly-bots; Manic looks for the insects.
The Hedgehogs steal historical objects of Mobius from Robotnik.
The Hedgehogs discover that Sonia has inherited a castle; She basks in the idea of having a castle.
Robotnik organizes a track meet to lure Sonic into a trap.
Sonia is invited to a debutante ball, but she and her brothers must go on a mission first.
Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.
Queen Aleena's journals are buried in the city of Tashistan; Sonic and his siblings search the city.
Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.
Robotnik blackmails Cyrus by kidnapping his father and holding him hostage.
Robotnik launches a spy satellite in an effort to locate Knothole Village.
Sonic is lured into a trap when a frustrated Robotnik announces a race.
Sonic and Sally encounter the Guardian while on a mission.
Sonic and the Freedom Fighters look for the secret scrolls that have great powers.
Sonic and the Freedom Fighters travel to Robotnik's lab hoping to decipher his Roboticizer system.
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