After Tails gets injured during a battle against Eggman, Sonic, fearing for his safety, fires him and holds auditions for a new sidekick.
Eggman moves in with Sonic and Tails while his fortress is under repairs. While there, he drives Sonic and Tails to the breaking point with his annoying traits.
Tails builds a translator robot with the unintentional ability to read minds. His friends are not impressed.
When Sticks' friends tell her to be nicer to (non-anthropomorphic) animals, she becomes attached to a slime-belching robot dog named Buster.
After being invited to a fancy gala, Sticks admits she does not know how to behave like a lady.
Amy decides to accept Eggman's invitation to design his lair for a magazine cover.
Eggman hires a new intern to help out around the base, unaware of the intern's true desire.
Eggman makes evil cookies to turn Sonic into his lackey, but instead, gets all his friends to work with to destroy Sonic.
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.
Cubot and Orbot wake up with no memory of the last day and no trace of Eggman around anywhere.
When Tails reprograms one of Dr. Eggman's robots, it becomes a killing machine set on destroying Eggman.
In hopes of having new additions to his traveling circus, a ringmaster captures Sonic and his friends.
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.
A meteor causes Sonic and Eggman to exchange bodies.
After losing his confidence, Dr. Eggman gets help from a motivational speaker, and then becomes too reliant on the life coach.
When Tails' orchard picking machine runs amok, a group of evil scientists believe Tails is one of them.
After being injured in a battle against Sonic, Egghead decides to take Sonic to court to receive justice.
When Dr. Eggman markets his own brand of tomato sauce, the others are suspicious of possible ulterior motives.
Sonic must give up his speed when it causes a deafening tone, but Dr. Eggman may have a remedy.
After an explosion at his evil lair sends him into a time loop, Eggman relives the same day over and over. He must convince Sonic and the gang to help him fix this time anomaly.
Sonic, Tails and Knuckles wake up a sleeping rock giant who begins rampaging.
Sonic and Eggman must use teamwork and friendship in order to escape from an ancient temple.
Orbot and Cubot must defeat a living computer virus in the cyber world.
Sonic realizes he has 7 minutes to return Amy's library book and ends up racing the clock, as he battles slow senior citizens, burger cravings, and an angry Eggman.
Sonic and Knuckles compete against Amy and Sticks to win a race through the jungle.
After Sonic and the others use Eggman's technology against him, he swears off technology for good; Lightning Bolt Society unleashes an attack.
Amy decides to open her own restaurant which causes a rivalry with their former hang out and Dave the Intern.
A cool new shrew arrives in town, threatening Sonic's status as the town's biggest hero.
After Sticks encounters a cross-eyed moose, she and her friends set out to find a mystical marmoset to remove the curse.
Sonic and friends hold a contest to find out which chili dog they like the most.
Amy forces Sticks to have a garage sale, but accidentally sets free a horde locked in her burrow.
Knuckles assumes temporary mayorship of the town, but passes too many laws, causing conflict in the town.
Eggman creates a film concerning his and Sonic's rivalry.
After Sonic calls Mike "a normal guy", Amy sets up a seminar to help him develop a more sensitive attitude.
In an alternate dimension, Knuckles is the smart leader of the team, but an accident causes him to end up in the normal dimension.
When Orbot and Cubot discover a group of rejected Cubot prototypes hiding in the jungle, they seek the help of Sonic and Tails to protect them from Eggman.
Dave the Intern inadvertently takes down Eggman and becomes a true vilain.
Eggman attacks during New Year's Eve with his slow-motion machine.
The guys go undercover as a boy band to prove that Amy and Sticks are being brainwashed by a pop icon.
Tails is experiencing a crush; Dr. Eggman has a difficult time picking up his package from the post office.
Sonic and Knuckles enter a best friend game show to win a new couch for Amy, but the show pairs Sonic up with Dr. Eggman.
After inadvertently becoming a popular celebrity, Knuckles takes over Comedy Chimp's late-night show.
Sonic, Knuckles and Amy seemingly start a fire in Tails' workshop trying to help an injured Perci, with each telling different interpretations of the story.
Sonic is accused of stealing a particle accelator from Eggman at first, then everyone starts accusing him of stealing their stuff too. Sonic then searches for the real culprit.
Tails and Knuckles participate in a robot fighting tournament after Knuckles sees himself as an inventor.
Faced with eviction by the homeowner's association, Eggman must convince them that there are no robots in his lair.
Amy and Eggman bond over a tabletop figurine game called Fuzzy Puppies.
Eggman tricks Team Sonic into committing his evil plan for him.
Sonic and friends must change their behavior in order to set a better example for the children of the village.
A severe storm forces Sonic and his friends to all take shelter at Amy's house for the night.
Knuckles befriends a local archaeologist, but his own incompetence jeopardizes his attempts to be of assistance.
Eggman gathers all of the island's villains to defeat Sonic once and for all.
Sonic lets martial arts action movie star Tommy Thunder follow him around and observe his "hero process". However things get bad when Tommy's over-the-top ego clashes with Sonic's and starts claiming credit for the team's battles.
A meteor is heading towards the planet and Sonic must find a way to stop it.
When the TV news fails to report on a water crisis, Sticks starts a pirate radio station to expose the truth.
After Tails' Ultrasonic Speed Amplifier device makes Sonic go so fast that he disappears and is trapped in another plane of existence, the team must think of a way to get him back.
Sonic lets Mark the Tapir, a fanatical, self-proclaimed “number-one fan,” become his personal assistant, but Mark eventually goes too far.
Believing himself too good to be trapped, Sonic challenges Tails to come up with a way to catch him.
When Eggman concocts a plan where Sonic will have to fight him underwater, the hedgehog must overcome his hydrophobia in order to stop him.
Sticks discovers a mysterious figure indoctrinating the village in the middle of the night, but the gang thinks it's just Sticks' paranoia.
Tails uses a machine to separate himself into five different Tails to multiply his brain productivity, but each piece only comes out with a small portion of his brain power, causing problems for his friends and Eggman.
Tired of being abused by Eggman, Orbot and Cubot go on strike and convince the other robots to join them.
When Eggman fails a test to get his license for evil, he uses Orbot as his front, but the Evil Dr. Orbot goes mad with power.
While battling Eggman, Knuckles suffers amnesia. When reminded that he's the last of his kind, he sets out to find a foster family.
Sonic stumbles upon an ancient mech suit. It makes him more powerful, but soon he becomes dependent on it, and it starts to change him.
Eggman builds a new robot to defeat Sonic. He programs it to know everything about the Blue Blur, but things don't go as planned.
The gang is suspicious when Froglodyte Og comes to the surface. Their suspicions are proven true when the Froglodyte army attacks.
When Knuckles wins a lamp in a raffle, it dawns on him that he doesn't have a home in which to keep it, leading him to buy a house.
When the Village's power source, the Meroke Crystal, dies, the gang must get the replacement from a deadly trap built by the ancients.
When the people of the Unnamed Village find out that their village used to be named after Sticks' evil ancestor, they turn on her.
Dr. Eggman creates a new line of robot workers for Meh Burger, but there is more to these robot employees than meets the eye.
Amy nurses one of Dr. Eggman's beebots back to health and adopts it as a pet.
Feeling the need for unconditional love, Eggman creates "Mombot"… but she's overly critical and embarrasses him in front of Sonic.
Tails sets out to prove that the mythical creature Muckfoot is real.
Eggman's old enemy, Nominatus, is back and with the help of his two acolytes he will try to take control of the world outside the computer.
Steve Eggman comes to town, claiming to be Eggman's long lost brother. He wants to fight for good alongside Sonic and the gang.
An endangered species wanders into Sonic's shack. He can't move the ugly, smelly animal because of a series of government regulations.
Mighton and Bolt, two robots from a City in the Clouds, think Sonic and his friends are evil because they are destroying Eggman's robots.
Robots all over the planet have become evil. Sonic and Tails travel to the City in the Clouds to seek help.
Sonic and Tails discover that the City in the Clouds is under the control of evil robots, and it might be Tails' fault.
Tails' creation Hypno-bot teams up with Eggman to conquer the world, so Team Sonic teams up with their robot duplicates to defeat Hypno-bot and his army.
The gang learns that sometimes the fiercest things come in the smallest packages when Eggman attacks with his tiniest robot yet.
The Lightning Bolts threaten to steal Sonic and the gang’s’ fan base after an intense bowling match.
The guys are stoked to find out their band, Dude-itude, has booked its first road gig, so they hit the road in their new decked-out van.
With the guys' band away for a gig, Amy & Sticks have a girls' weekend. When Belinda hears half the gang is gone, she plans an attack.
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.
When it's revealed that Eggman is not actually a doctor, he becomes a joke and must go back to school to finish his Ph.D. in evil.
Thinking his lair is haunted, Eggman sells it to Barker. Sonic and Tails must prove ghosts aren’t real.
Unable to use his robots, Eggman employs the Froglodytes to force Gogobas to mine for a crystal that will power his giant new Mech Suit.
Eggman's anti-gravity ray causes chaos in Hedgehog Village. With newfound confidence, Cubot tries to bring enlightenment to the villagers.
Sonic challenges Eggman to a game of soccer in order to save the Village's beloved rec center.
When Sonic, Tails, and Knuckles accidentally injure Lady Walrus, they agree to take care of her baby, Chumley.
Morpho sends Sonic to a dimension where he never existed. Sonic must unite his gang and help take back the alternate dimension village.
The gang becomes very competitive with one another when they enter an auto race, using cars they've designed themselves.
Sonic agrees to be Dr. Eggman's friend on social media - a kindness he will surely regret.
Amy's hammer is missing and she is lost without it. Vector the detective is on the case.
Sonic becomes a delivery boy for Meh Burger, guaranteeing he'll make all deliveries in under three minutes. Dr. Eggman gets in the way.
After accidentally triggering lockdown protocol during a battle, the gang gets trapped in Eggman's lair with Eggman, Cubot and Orbot.
Tails tests his new teleportation device on himself and accidentally merges with a beebot. Sonic must find a way to reverse the process.
As a result of an experiment gone wrong, Eggman morphs into an adorable little creature every time he gets angry.
Dr. Eggman and Steve turn a family vacation in Roboken into an opportunity for evil. Mighton and Bolts enlist the help of Sonic and friends.
When Tails gives D-Fekt the ability to speak, the little robot joins with the Cubots and rejects to take down their nemesis, Dr. Eggman.
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.
Dealing with Shadow's anger, Eggman switches places with his counterpart from the dimension where Sonic doesn't exist. Now Sonic must deal with both Eggman, plus Shadow and Metal Sonic before the two dimensions collapse.
