
Sonic Underground
While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.

While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.

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.

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 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.

Sonic and The Freedom Fighters journey to Robotnik's underground air base in a mission to reprogram the launch data on Robotnik's fleet of Stealth-Bot aircraft. While attempting to reprogram the Stealth-Bot computer system.

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

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.

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".

Sonic leaves Tails in charge of protecting a squirrel village food supply, when he zips off to stop a dam from breaking. Robotnik sends Scratch and Grounder after Tails.

When Hacker, an adolescent mole computer whiz steals a super-intelligence program from Robotnik's computer, Sonic has to protect him, smashing Grounder to pieces.

Mobius is suffering a crime spree and all the evidence points to Sonic as the culprit. But the real thief is a lab rat wearing a high-tech vehicle suit who was sent by Robotnik to discredit our hero.

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.

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.

Rumor has it that Queen Aleena's journals are buried in the city of Tashistan. Sonic and his siblings search the city for the scrolls.

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.

Sleet and Dingo plan to collect the taxes owed to Robotnik from the Duke of Velcronia but keep it for themselves.