26 episodes · 6th April 2003
Sonic and Dr. Eggman fight to possess the seventh Chaos Emerald.
Chris attempts to shelter Sonic in his room.
Amy and Knuckles hide in a sewer while fleeing from the authorities.
Chuck suspects Sonic and the others will be able to go back to where they came from by using the power of the Chaos Emerald.
Dr. Eggman's phony tears deceive Knuckles.
Dr. Eggman sends a robot to Chris' elementary class, hoping to brainwash the children and help his goal of world domination.
Chris' teacher, Mr. Steward, makes an unexpected visit.
Eggman sends E-90 to swallow a satellite, disrupting all TV reception; Sonic enters space and must destroy E-90.
Sonic tries to stop Eggman from taking over a resort.
Sonic and the gang play Dr. Eggman and his henchmen in a game of baseball, where the winner gets a Chaos Emerald.
The president's office tries to lure Sonic and the gang into a trap with a Chaos Emerald.
Sonic refuses to help the president destroy Dr. Eggman's base; Tails and Christopher face off against E-51, a robot that generates violent winds, over a Chaos Emerald.
Sonic, the military and Knuckles battle robots in an offensive aimed at destroying Dr. Eggman's base.
The president, although happy Dr. Eggman's base is destroyed, is worried about his upcoming election, so he decides to use Sonic to boost his image.
Dr. Eggman's Egg Fort rises from the ashes of his base to wreak havoc on Sonic and the town.
Sonic and friends search the ocean floor for the fourth Chaos Emerald when Dr. Eggman launches an underwater attack.
Hawk is kidnapped; Knuckles receives a mysterious message.
Sonic, Chris, Tails and the Egg Fort crash-land on the Nature continent.
Sonic and the gang face off against eerie ghosts released by a careless cameraman.
Sonic tries to relax aboard a cruise ship, then learns he will have to save it from an iceberg.
Dr. Eggman provokes Sonic into accepting a challenge by the leader of the S-Team.
Eggman spots Chris and company while they are looking for Cheese.
Sonic and the gang find out that Mr. Thorndike has unknowingly bought a ring containing a Chaos Emerald.
After defeating Eggman's E-88 robot, Sonic goes berserk because of an implanted control device.
Sonic and the gang try to find the last Chaos Emerald before Dr. Eggman; Knuckles decides to help Dr. Eggman as a way to get back to his home.
Sonic and the gang ambush Egg Fort 2 as it receives the last Chaos Emerald from E-77.
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