
Sonic Underground
A homecoming is interrupted for Sonic, Sonia and Manic when Sleet and Dingo arrive to collect back taxes after returning to their birthplace.

A homecoming is interrupted for Sonic, Sonia and Manic when Sleet and Dingo arrive to collect back taxes after returning to their birthplace.

A captain of the Queen's guard is captured before he can reach the secret rendezvous where he was to meet Queen Aleena.

Robotnik announces that he will marry Queen Aleena in a plot to become the king of Mobius.

Sonic, Manic and Sonia find an abandoned baby in an alley and begin to look for the baby's parents. Manic becomes very fond of the child.

Sonic becomes aggravated that maybe their efforts of fighting for freedom seem pointless. Sonia suggests that they go to the Oracle for advice.

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.

Momma Robotnik forces her son to run for President of Mobius with Wes Weasley as his campaign manager.

Throbbin Screech brings a TV crew to interview Robotnik for "Lifestyles of the Sick and Twisted". Robotnik rampages through the Mobius countryside proving how sick and twisted he is, and Sonic is kept busy doing rescues. Tails decides to take on...

Wes Weasley lures Tails, Sonic and all of their friends to a yacht under the guise of a "Hero of the Year" ceremony to thank Sonic.

When Sonic vanishes mysteriously, Tails enlists the help of a bi-plane pilot named William Le' Duc, and Professor Von Schlemmer.

Scratch and Grounder build their own robot, a naive over-grown kid called "Robot". When Robot runs off with Robotnik's new invention, the Super Planetary Implosion Module (SPIM), capable of impoding huge parts of Mobius out of existence, the race...

Sonic loses his memory when Robotnik uses a hypnotic flower pollen on him, and tells him he's just an "ordinary" guy.

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.

The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction.

Sonic becomes aggravated that maybe their efforts of fighting for freedom seem pointless. Sonia suggests that they go to the Oracle for advice.

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.

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

Robotnik announces that he will marry Queen Aleena in a plot to become the king of Mobius.

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.