Sonic Underground
Sonia discovers that the watch she received from her friend is actually a monitoring device for the Robotnik Intelligence Agency.
Sonia discovers that the watch she received from her friend is actually a monitoring device for the Robotnik Intelligence Agency.
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Sonia discovers that the watch she received from her friend is actually a monitoring device for the Robotnik Intelligence Agency.
A captain of the Queen's guard is captured before he can reach the secret rendezvous where he was to meet Queen Aleena.
The Freedom Fighters run into a Swashbuckler, named Ari, battling Swat-Bots. Sonic diverts them, allowing Ari to escape. After hearing that Robotnik is holding his band of Freedom Fighters hostage, Ari decides to help Sonic free them.
When Sonic and The Freedom Fighters take out Robotnik's main computer, they're trapped by Swat-Bots in an underground tunnel, only to be rescued by a handsome teenager named Griff. Griff takes them deep beneath the Big City.
Sally, Rotor, Bunnie and Antoine take off in a homemade airplane, bound for an ancient city hidden deep in the Great Mountains, while Sonic follows via his favorite transportation, his sneakers.
Sonic and the Freedom Fighters journey to Robotnik's lab in hopes of deciphering his roboti-sizer system. While underground, Sonic spots his now roboti-sized Uncle Chuck aboard a Badlands bound mine-train and devises a plan for his rescue.
Robotnik severely upsets the ecosystem above and below the surface, when he sends explosive, Robotnik snake probes drilling deep under ground in search of oil lakes.
Sonic is hired into an obvious trap when a frustrated Robotnik decides to appeal to the Hedgehog's ego and announces a "race to determine the fastest on Mobius".
After a disastrous failed mission, Sonic laments that they can't go back and prevent Robotnik's take-over. Dulcy tells them they can and takes Sonic and Sally to the Floating Island where they find the "Time Stones".
Tails brings a new friend home to Knothole - a baby Terra-Pod who has strayed from the herd that is currently migrating. Sonic, Sally, and some of the other Freedom Fighters return the Baby-T to its mom and the rest of the herd.
Robotnik timetravels back to Mobigypt, makes himself a pharoah, and enslaves everbody in an effort to find the gemstone of immortality.
Robotnik goes back to medieval times, and enlists the help of Merlink the Magician to get his gemstone.
First in a four-part Time Travel series. Robotnik invents a time machine to go back in time and gather four powerful gemstones. His first attempt is on the high seas, but Sonic goes into hyper-Sonic-overdrive, and reverses time to go after him. ...
Sonic rescues Lucas, a rival of Robotnik's, from Robotnik's dungeons. But Robotnik will do anything to keep Lucas from finding his lost love, Lucinda, including proposing to her himself.
Outraged by a new hit song written about Sonic, Robotnik outlaws music on Mobius then takes pop star, Catty Carlisle captive. With his MD (Music Destroyer) Robot, Robotnik terrorizes the music loving Mobius population till Sonic rescues Catty.
Robotnik organizes a track meet to lure Sonic into a trap.
Sonia is invited to a debutante ball, but before she can be officially announced to society, she and her brothers, Manic and Sonic have an important mission.
While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.
On a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.
The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage.
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