The history of the Underground is told in detail, from the fall of Mobotropolis to the rise of Robotnik. Included, is...

The Hedgehogs begin to learn the important lessons of what it takes to be a freedom fighter.

Manic, Sonic and Sonia must end their training early when Robotnik threatens the Oracle and takes a member of the res...

Sonia travels to east Mobius to visit her friend Mindy at the LaTour Estate. After being given a watch by her friend ...

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

The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage. Robotnik makes Cyrus...

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

Queen Aleena's royal journals are rumored to be buried under a palace in the city of Tashistan. As Sonic and his sibl...

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

Sonia is invited to a debutante ball, but before she can be officially announced to society, she and her brothers, Ma...

Robotnik organizes a track meet to lure Sonic into a trap. Robotnik is sure that Sonic will not sit out on a challeng...

The Hedgehogs receive a message they believe is from their cousin. In the message, a castle is left to Sonia, who rev...

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

A faction of the Freedom Fighters is wiped out by a swarm of metallic fly-bots. When Manic goes in search of the inse...

A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him as fast as Sonic so that he may finally...

The Hedgehogs converge on the Floating Island, in their latest attempt to find their Mother. Sleet and Dingo also hav...

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 ...

Sonic becomes frustrated that maybe all of their efforts of fighting for freedom seem futile. Sonia suggests that the...

Robotnik has his sights set upon Queen Aleena's crown jewel, which glows as it is moved closer her. Sonic, Manic and ...

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

Sonic and his siblings travel to the outskirts of Mobius to recruit a tribe of nomads for the Resistance. The Hedgeho...

Sonic, Manic and Sonia invade Robotnik's lair to retrieve the Hedgehog crest. After the book is reclaimed, they disco...

The Hedgehogs latest quest to find their mother takes them to the prison tower where they encounter a masked stranger...

The Oracle advises the Hedgehogs to undertake a mission which could reveal answers about their future. Sonic, Manic a...

What is supposed to be a vacation for Sonic, Manic and Sonia turns into a battle to save Mobius when Robotnik attacks...

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

Sleet and Dingo escape the Flying Fortress with the Chaos Emerald. In a fight over who will control the Emerald's pow...

The Hedgehogs begin to learn the important lessons of what it takes to be a freedom fighter. The Oracle provides teac...

Knuckles reluctantly makes a deal with Robotnik to turn over Sonic and his family in exchange for finding the Chaos E...

Manic, Sonic, Sonia must end their training early when Robotnik threatens the Oracle and takes a member of the resist...

Queen Aleena advises the Hedgehogs to travel to a valley of Mobius so that they can bring about peace between two con...

Robotnik is using the local hairdresser, Doo-bot, to get information on the citizens that are against him. Sonia beco...

A self proclaimed scientist has come to Robotropolis with a device that will reverse the effects of Robotnik's roboti...

Robotnik has arranged a museum exhibit of the Royal family goblets. Knowing that Sonic, Sonia and Manic will want to ...

The Hedgehogs vacation is interrupted by the news of Robotnik's latest weapon. They are shocked as the submarine melt...

On a mission in a distant sector of Robotropolis, the Hedgehogs are informed that freedom fighters have disappeared a...

Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy. Art's objective is to destroy eve...

Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy. Art's objective is to destroy eve...

The newly discovered Emerald Peninsula is a perfect place for Robotnik to add slaves to his empire. Sonic, Sonia and ...

Sonic and Manic play a game of virtual reality to enhance their pilot skills. When the two brothers decide to put the...