Sonic Underground
Robotnik blackmails Cyrus by kidnapping his father and holding him hostage.
Robotnik blackmails Cyrus by kidnapping his father and holding him hostage.
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Sonic is lured into a trap when a frustrated Robotnik announces a race.
Sonic and Sally encounter the Guardian while on a mission.
Sonic becomes aggravated that maybe their efforts of fighting for freedom seem pointless.
Sonic finds a message in the sack from his mother urging him to head to Speedster Island.
The Hedgehogs congregate on the Floating Island in their latest effort to find their mother.
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.
A baby Terra-Pod has strayed from its herd.
Robotnik sends explosive snake probes to drill in search of oil.
The Freedom Fighters find themselves defending an underground city of Mobian refugees.
Sonic is paralyzed by a recurring nightmare.
Robotnik launches a spy satellite in an effort to locate Knothole Village.
Sonic faces a dangerous vehicle during a solo mission to the Badlands.
Sonic is lured into a trap when a frustrated Robotnik announces a race.
Sonic and Sally encounter the Guardian while on a mission.
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