
Sonic Underground
Queen Aleena's journals are buried in the city of Tashistan; Sonic and his siblings search the city.

Queen Aleena's journals are buried in the city of Tashistan; Sonic and his siblings search the city.

Sonic must save Santa Claus from kidnappers on Christmas Eve.

Sonic must save Santa Claus from kidnappers on Christmas Eve.

Sonic must save Santa Claus from kidnappers on Christmas Eve.

Sally is taken prisoner by Robotnik and Snively, who construct a robotisized Sally clone.

Sonic and Sally encounter the Guardian while on a mission.

After a disastrous mission, Sonic regrets that they can't go back and prevent Robotnik's take-over.

Sonic faces a dangerous vehicle during a solo mission to the Badlands.

The Freedom Fighters find themselves defending an underground city of Mobian refugees.

Antoine is appointed king of a cannibal biker gang.

The Freedom Fighters find themselves defending an underground city of Mobian refugees.

Sonic and the Freedom Fighters travel to Robotnik's lab hoping to decipher his Robotisizer system.

Sonic and Tails team up to thwart Robotnik's scheme to possess the magic Deep Power Stones.

Dulcy is summoned to a dragon mating ground as Robotnik seeks to roboticize them.

Sonic is lured into a trap when a frustrated Robotnik announces a race.

Sonic and Sally encounter the Guardian while on a mission.

Sonic and Sally meet a new ally, but Sally doesn't trust him.

Sonic attempts to rescue a captured Freedom Fighter.

When Sonic loses his memory, Snively takes advantage and gets the hedgehog to infiltrate Knothole.

Sonic is lured into a trap when a frustrated Robotnik announces a race.