Sonic X
During a mission on Mobius to rescue Cream the Rabbit and Cheese the Chao from Dr. Eggman's headquarters, Sonic and his friends are caught in an explosion that transports them to another dimension occupied by humans.
Chaos Control Freaks
While trying to retrieve the 7th Chaos Emerald from Dr. Eggman, Sonic and Friends are transported to the human world, where Sonic is rescued by a boy named Chris.
Sonic to the Rescue
Sonic discovers that Cream and Cheese are being held captive by the military. Sonic, with the help of Chris and his grandfather Chuck, finds and frees them only to be caught in a trap!
Missile Wrist Rampage
When Eggman tries to use E-23 to take over the world Amy, Knuckles and Tails launch an unsuccessful counterattack, until Sonic arrives!
Cracking Knuckless
After Eggman tricks Knuckles into blaming Sonic for being stuck in the human world, Knuckles challenges Sonic to a duel! But Knuckles realizes he's being duped and teams up with Sonic to destroy the robot and save the others.
Techno-Teacher
Eggman tries to use his robot "Intelligence" to brainwash Chris' class but when it winds up teaching more than brainwashing, Eggman steps in to put the children in permanent detention until a worried Sonic arrives.
Party Hardly
When Mr. Stewart drops by for a surprise visit, Chris and Chuck are barely able to keep Sonic and Friends' stay a secret and after Chris' uncle arrives, things get messier. Everyone, including Ella and Mr. Tanaka, are going to find out!
Satelite Swindle
After Eggman discovers that he is being watched by the military he sends E-90 to swallow the satellite, but this disrupts everyone's TVs! So Chuck and Tails decide to upgrade the Tornado into X-Tornado, allowing Sonic to enter high altitude…
The Last Resort
After Chris, Amy, Cream and Cheese arrive at a resort, Eggman appears and tries to take over with his E-39 but Sonic arrives and tries to stop him. However Sonic is unable to swim, and the robot tries to drag him into the ocean!
Unfair Ball
It's Team Sonic vs Team Eggman in a game of baseball for a Chaos Emerald! Team Sonic falls behind at first but then wins with a Sonic super-play, only to have Eggman to cheat and try to steal the Emerald regardless!
Fly Spy
The President plants a fake emerald to try and attract Sonic but Rouge takes the bait instead. She winds up being hired by the Government to search inside Eggman's base with another agent, Topaz.
Beating Eggman Part 1
Tails and Chris discover the third Chaos Emerald in a field and fly for it in the X-Tornado, but Eggman and E-51 catch up and trap them! Meanwhile, Rouge and Topaz launch an attack on Eggman's base.
Beating Eggman Part 2
Sonic saves Tails and Chris from E-51 while Eggman makes off with the Chaos Emerald. At Eggman's base, Knuckles appears and helps Rouge plant explosives but they end up being trapped!
That's What Friends Are for
Sonic decides to take his new friend Helen to pick flowers instead of attending the President's party he was invited to. The President's aide responds by sending a military unit to capture Sonic!
Skirmish in the Sky
Rising from the rubble of his former base, Dr. Eggman reveals his new battleship, the Egg Fort, and attacks Station Square. Sonic faces off his nemesis once again on X-Tornado.
Depths of Danger
The President demands the search for Dr. Eggman after Sonic destroys the Egg Fort. Meanwhile, Sonic and his friends are taking a well-deserved vacation where they discover that another Chaos Emerald is nearby.
The Adventures of Knuckles and Hawk
Knuckles rescues a man named Hawk from ancient ruins. Discovering later that Hawk had discovered a chaos emerald, Knuckles seeks for him once again in Oriental City.
The Dam Scam
When Sonic, Tails, Chris and the Egg Fort crash land on the Nature Continent after a fight, Tails and Chris protest against a dam while Sonic is caught in a battle against Decoe, Bocoe, E-65 and Eggman.
Sonic's Scream Test
Chris' mother Lindsey is shooting a movie in an old castle, and Sonic and his friends are there to visit as well. However, they begin to notice that something is amiss as ghostly figures begin to appear.
Cruise Blues
Sonic and his friends are on a cruise when the Egg Fort appears inside a glacier. As Sonic faces his foes, he receives some help from Knuckles.
Fast Friends
Sam Speed challenges Sonic to a race on his new racing car. After much plodding, Sonic accepts the challenge but Eggman decides to interrupt the whole ordeal with his newly invented robot "Sumo-Man".
Little Chao Lost
Sonic and his friends are at a camp site where they discover a Chao colony. Meanwhile, Dr. Eggman is also hiking nearby and decides to launch an attack when he encounters Sonic.
Emerald Anniversary
Chris' father Nelson purchases a ring made from a Chaos Emerald for his wife Lindsey. Being made aware of its presence, Dr. Eggman attempts to snatch the emerald away from them.
How to Catch a Hedgehog
After an encounter with Dr. Eggman, Sonic finds himself unable to stop running. Chris and his grandfather Chuck soon discover that Eggman's E-88 is behind Sonic's problem.
A Dastardly Deed
Chris finds himself depressed at the prospect of his friends returning to their home world despite knowing that it is what's best for them. Meanwhile, Knuckles attempts to orchestrate a truce between Sonic and Eggman so that they can all return home.
Countdown to Chaos
Eggman takes Chris hostage after tricking Knuckles and Chris into giving him all six Chaos Emeralds discovered. Eggman and Sonic face off once more as Sonic seeks to save Chris and prevent Eggman from obtaining the final Emerald.
