
Sonic Underground
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.

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.

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

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.

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.

Bob and the gang have got a big job on - repairing some pipework in Farmer Pickles field. / Bob, Scoop & Muck have to make repairs to a tunnel. When they arrive on site, Bob sends Muck ahead into the tunnel with a load of bricks.

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.

During a mission to one of Robotnik's factories, Sally is taken prisoner by Robotnik and Snively, who construct a roboti-sized "Sally" clone, complete with Sally's personality, and mannerisms. The double tricks Sonic into rescuing "Sally".

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.

Sonic turns detective to solve the mystery of his missing Red Sneakers--and just in time to get them back and stop Dr. Robotnik's latest attack on a peaceful Mobius village.

After an accident, Scratch thinks he's an eagle and on the side of Sonic. In order to impress his his new lady love, Scratch assists Sonic in an excursion into Robotnik's Fortress to turn off a dangerous force field.

An elderly, out of shape, overweight superhero keeps trying to help Sonic battle Dr. Robotnik, and keeps getting him in more jepordy. Sonic helps the old hero regain his self respect and they team up to battle Robotnik's latest scheme.

When Sonic decides to find Tails a suitable foster home, Robotnik finds out, and creates a robot fox family which poses as Tails' long lost parents. Sonic leaves Tails with the fox family, but finally realizes they're robots and rescues Tails.

Big Griz, leader of a group of biker-bear rebels, mistakes Scratch and Grounder for Sonic and Tails, and teams up with S and G to attack the real Sonic and Tails.

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.

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.