
Sonic Underground
Robotnik organizes a track meet to lure Sonic into a trap.

Robotnik organizes a track meet to lure Sonic into a trap.

Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.

The Hedgehogs congregate on the Floating Island in their latest effort to find their mother.

Sonic finds a message in the sack from his mother urging him to head to Speedster Island.

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

Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.

The Hedgehogs discover that Sonia has inherited a castle; She basks in the idea of having a castle.

The Hedgehogs congregate on the Floating Island in their latest effort to find their mother.

Sonic becomes aggravated that maybe their efforts of fighting for freedom seem pointless.

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

The Hedgehogs steal historical objects of Mobuis from Robotnik.

The Hedgehogs discover that Sonia has inherited a castle; She basks in the idea of having a castle.

A captain of the Queen's guard is captured before he can reach the secret rendezvous.

Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.

A homecoming is interrupted for Sonic, Sonia and Manic when Sleet and Dingo arrive to collect taxes.

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

When S and G rocket to outer space, Sonic and Tails stow away.

Sonic must save Santa Claus from kidnappers on Christmas Eve.

Sonic must save Santa Claus from kidnappers on Christmas Eve.

Within the Void, Sonic and Nicole encounter a mysterious wizard named Naugus.