The gang accepts a dare from Dr. Eggman to fight him not as a group but one at a time. Eggman uses each hero's weakness to his advantage.

When Eggman tries to recruit Shadow to help him bring more evil to his video game, it has dangerous consequences for Sonic and his friends.

In his most diabolical plan yet, Dr. Eggman decides to band together with all of Sonic's enemies. Shadow the Hedgehog, joins the fight.

Sonic and friends must face their most dangerous foes in order to prevent a disaster that is going to destroy the universe.

In hopes of having new additions to his traveling circus, a ringmaster captures Sonic and his friends.

Sonic and Tails rescue some villagers from bandits, but can't get away from the village thanks to all the guilt being thrown onto them.

Orbot and Cubot must defeat a living computer virus in the cyber world.

A meteor causes Sonic and Eggman to exchange bodies.

Eggman can't pay the tax bill for his trash pickup, so to raise the necessary funds, he must turn his evil lair into a luxury resort.

Eggman is making a movie about his life. He even tries to cast Sonic to play a lame version of Sonic. Is this just a bad movie or a merely a diversion for a secret evil plan?

Sonic lets martial arts action movie star Tommy Thunder follow him around and observe his "hero process" for Tommy's upcoming role. However, things erupt when Tommy's over-the-top ego clashes with Sonic's and he starts to claim credit for the gang's victories.

Knuckles feels that the only reason Sonic always bests him is that Sonic has better luck. So, Knuckles tries to run out his bad luck and reset the luck balance of the universe by constantly putting himself in harm’s way.

Sonic, Tails and Knuckles wake up a sleeping rock giant who begins rampaging.

Knuckles wants to win the village's annual Chili Dog Cook-Off and on his quest to find the perfect ingredients he meets the Pepper People, and their leader Claggerhorn who have been waiting for a savior to bring them the freedom they deserve.

After Sonic and the others use Eggman's technology against him, he swears off technology for good; Lightning Bolt Society unleashes an attack.

An endangered species wanders into Sonic's shack. He can't move the ugly, smelly animal because of a series of government regulations.

After Tails gets injured during a battle against Dr. Eggman, Sonic, fearing for his safety, fires him and holds auditions for a new sidekick.

Tails builds a translator robot with the unintentional ability to read minds. His friends are not impressed.

Amy decides to open her own restaurant which causes a rivalry with their former hang out and Dave the Intern.

Amy's hammer has disappeared, and she is lost without it. Vector the detective is on the case.

Eggman’s anti-gravity ray causes chaos in Hedgehog Village. With newfound confidence, Cubot tries to bring enlightenment to the villagers.

When Amy realizes that Sticks is a pack rat, she forces her friend to have a garage sale to get rid of all the junk that's accumulated in her burrow. During the sale, a secret locked door to an underground world is removed and an invading horde is set free.

When Sticks' friends tell her to be nicer to (non-anthropomorphic) animals, she becomes attached to a slime-belching robot dog named Buster.

After seeing a cross-eyed moose, Sticks is convinced that she and her friends are cursed. They set out to find a mystical marmoset who is the only one who can remove the curse.

After losing his confidence, Dr. Eggman gets help from a motivational speaker, and then becomes too reliant on the life coach.