Sonic Underground
Robotnik organizes a track meet to lure Sonic into a trap.
Robotnik organizes a track meet to lure Sonic into a trap.
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The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction.
The Hedgehogs find out that Sonia has inherited a castle. She basks in the idea of having a castle for headquarters.
Robotnik organizes a track meet to lure Sonic into a trap.
After Dulcy exhibits strange behavior, Sally discovers she's going through a "rites of passage" stage of her adolescence. In Dragon tradition, she is drawn to Dragon Lair, a migratory nesting ground, through trance-like visits from her mother.
Antoine decides to study martial arts but after he wrecks most of Knothole Sonic sends him off to practice in the woods. //Tails begins his training to become a real Freedom Fighter by learning tracking skills while on a camping trip.
In Part II, Sonic and Sally steal the Roboti-sizer plans, stop the Destroyer from polluting the Great Forest and save Little Sonic, Little Sally and Dulcy's mother, Sabina.
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".
Sonic attempts a solo rescue to prevent prisoners from being roboti-sized and is hit by a Memory Scrambler that erases short-term memory.
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.
The Freedom Fighters, with new addition, Dulcy, develop a De-Roboti-sizer and try it out on Bunnie. It's a success and, against Sally's wishes, Sonic battles Robotnik's newest weapon, a Virtual Reality Shriek-Bot.
Sonic reluctantly takes Tails with him to the Big City to find some cotter pins for the Freedom Fighters catapults. While in the City, Sonic is nearly eaten alive by his old dog Muttski, now a roboti-sized guard dog in the Junk Heaps
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.
When a Rebel Base is threatened by Robotnik, Sonic and Tails team up with Big Mike and Da Bears to run a booby-trapped gauntlet in their gigantic Road Warrior-like truck.
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.
Robotnik plans to block out the sun and extinguish all life and nature on the planet Mobius. Then he creates a robot son and tries to train him in the ways of wickedness.
Robotnik invents a Brain Evolution Achievement Negatizer, or B.E.A.N., in order to make all of Mobius stupid. But instead of turning Sonic and Tails into dummies, the BEAN device turns them into three year old babies!
Professor Von Schlemmer (from Too Tall Tails) has created a machine which brings dreams to life. When Robotnik hears about it, he forces the Professor to alter the machine so that nightmares come to life.
When Robotnik invades Labyrinth, an underwater city, and kidnaps Princess Bubbles, a seahorse-dude named Surff seeks Sonic's help. It seems Surff and the Princess are in love, but the royal family deems Surff "unworthy".
Robotnik has his eyes set upon Queen Aleena's crown jewel, but Sonic, Manic and Sonia plan to retrieve the gem before Robotnik.
Sonic becomes aggravated that maybe their efforts of fighting for freedom seem pointless. Sonia suggests that they go to the Oracle for advice.
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