Sonic Underground
Sonic, Manic and Sonia find an abandoned baby in an alley and begin to look for the baby's parents.
Sonic, Manic and Sonia find an abandoned baby in an alley and begin to look for the baby's parents.
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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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