Dr. Eggman sends a robot to Chris' elementary class, hoping to brainwash the children and help his goal of world domination.

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.

Chris' teacher, Mr. Steward, makes an unexpected visit.

Sonic, Chris, Tails and the Egg Fort crash-land on the Nature continent.

Chris and friends must leave the mansion because of flood damage; Eggman hacks into the government's computer to learn what is planned for him.

Under a new alliance, Shadow, Rouge, and Eggman carry out their latest plan. As Eggman launches an attack on Prison Island, Rouge breaks in to steal three Chaos Emeralds, and Shadow sneaks in to plant a bomb which will destroy the island.

Sonic, Tails, Knuckles & Amy manage to break into Eggman's base, undetected. At least they THINK they've entered undetected. Bokkun finds them & calls on the Egg Golem! They board the space shuttle, but their adventure has just begun...

Sonic, Tails, Knuckles, Amy and Tanaka have arrived at the ARK, but when Robotnik, Rouge and Shadow programme the ARK on a path to oblivion, it's Sonic The Hedgehog to the rescue in outer space!

The Chaotix Detectives made up of Vector the Crocodile, Espio the Chameleon, and Charmy the Bee have arrived in Station Square. Their goal is to find Cream for a specific reason, even when they think Sonic stole her. Meanwhile, Dr. Eggman rebuilds half the moon (after part of it was destroyed last episode) into the Eggmoon and claiming to Sonic that he has become reformed. Is this true? And will the others know why the Chaotix Detectives have come for Cream.

After the success of the sunshine balls, Eggman then tries to execute the rest of his plan. Sonic explains how Eggman eggmoon is moving to block, meaning Eggman set up the eggmoon as part of his master plan. Eggman then captures the president, and as he starts to make his own money, Sonic and Tails crash the X-Tornado into the white house and explain what happen while Mr. Tanaka and Topaz move the eggmoon out of the suns path. Sonic then set up a trivia challenge and traps Eggman by hitting him on the head with a big metal pan, and Eggman is sent to jail.

Stewart keeps a close eye on Eggman. Unfortunetly for him, Chris, Helen, Danny, Cream, Cheese, and Emerl stick with Stewart for the ride. When they are all captured by Eggman, they must try to find a way out, or at least figure a way to contact Sonic to help...

Tails and the others return to their planet, but Sonic is left behind when Chris turns off the transport machine.

Sonic and Dr. Eggman fight to possess the seventh Chaos Emerald.

Eggman sends E-90 to swallow a satellite, disrupting all TV reception; Sonic enters space and must destroy E-90.

Chris attempts to shelter Sonic in his room.

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.

Amy and Knuckles hide in a sewer while fleeing from the authorities.

Dr. Eggman's phony tears deceive Knuckles.

Dr. Eggman's Egg Fort rises from the ashes of his base to wreak havoc on Sonic and the town.

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 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.

As they travel through the Intergalactic Cloister, Sonic and the others battle Yellow Zelkova.