Sonic Underground

Sonic, Sonia and Manic return to their birthplace, Mobodoon, a beautiful, festive town.

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

On a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.

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

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.

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

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

The Hedgehogs converge on the Floating Island, in their latest attempt to find their Mother.

As Sonic begins to chow chili dogs for a snack, he finds a message in the sack from his mother urging him to head to Speedster Island.

Sonic is frustrated that their freedom fighting efforts seem futile. Sonia suggests that they see Oracle, the spiritual guide, to put everything into perspective.

Robotnik has his sights set upon Queen Aleena's crown jewel.

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