Sonic Underground
The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage.
The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage.
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Robotnik installs a new "obedience microchip" in Scratch and Grounder and orders them to drill for a rare mineral in a tropical mountain. With his Freezomatic machine, Robotnik covers the mountain in ice and runs a Hermit out of his home.
When an undersea world is threatened by Captain Memo and his lobster sub, Sonic spreads a rumor that Memo plans to attack Robotnik next.
Robotnik lures Sonic into a round-the-planet vehicle race called the Mobius 5000 by threatening to foreclose on a loan to an orphanage.
Robotnik takes over a local amusement park called "Mobiusland" and changes the name to "Robotnikland".
Robotnik shrinks Sonic and Tails with a shrink ray and puts them into his terrarium. Sonic and Tails escape on the back of a gecko, reverse the shrink ray to restore themselves to normal, then use it to shrink Scratch and Grounder, and put them...
Robotnik learns that the most powerful gemstone -- able to create life itself -- is located in Prehistoric Times.
Robotnik timetravels back to Mobigypt, makes himself a pharoah, and enslaves everbody in an effort to find the gemstone of immortality.
When S and G rocket to outerspace to mine a radioactive mineral from asteroids, Sonic and Tails stow away. Through a blunder by the robots, all are stranded in space, and Robotnik tries to blow all of them out of the stars.
After Sonic is almost sucked inside the Void, he finds a huge Ring which Sally believes is an ancient relic but it turns out to be trick of the Sorcerer, Nagus. Sally and Bunnie are drawn inside the Void and when Sonic comes to rescue them, Nagus pretends to be the King so Sonic will use his speed to transport him outside.
Robotnik installs a new "obedience microchip" in Scratch and Grounder and orders them to drill for a rare mineral in a tropical mountain. With his Freezomatic machine, Robotnik covers the mountain in ice and runs a Hermit out of his home.
The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage.
While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.
A homecoming is interrupted for Sonic, Sonia and Manic when Sleet and Dingo arrive to collect back taxes after returning to their birthplace.
Sleet and Dingo plan to collect the taxes owed to Robotnik from the Duke of Velcronia but keep it for themselves.
Robotnik installs a new "obedience microchip" in Scratch and Grounder and orders them to drill for a rare mineral in a tropical mountain. With his Freezomatic machine, Robotnik covers the mountain in ice and runs a Hermit out of his home.
The Hedgehogs congregate on the Floating Island in their latest effort to find their mother. But Sleet and Dingo also have an interest in this island.
A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him as fast as Sonic so that he may finally catch him.
A group of Freedom Fighters is obliterated by a swarm of metallic fly-bots. When Manic goes looking for the insects, he is stung with serum.
The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction.
Robotnik organizes a track meet to lure Sonic into a trap.
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