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 pow...

Dr. Eggman's phony tears deceive Knuckles.

Dr. Eggman sends a robot to Chris' elementary class, hoping to brainwash the children and help his g...

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 d...

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 C...

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 agains...

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...

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 un...

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 Emer...

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...

Sonic and the gang ambush Egg Fort 2 as it receives the last Chaos Emerald from E-77.

Chris, Cream and Cheese meet the Eggman's newest fiend.

Knuckles has a mysterious vision about a girl named Tikal; Sonic and Tails have their Emeralds stole...

As Knuckles blames himself for not being able to guard the Master Emerald, Sonic and Tails take off...

Tails and Sonic try to rescue Amy and Lily from Eggman.

After the missle attack was prevented, E-102 Gamma deletes master obedience data and heads off. Mean...

A new destructive vision is revealed to Sonic; Chaos starts a devastating flood in Station Square.

Chris and friends must leave the mansion because of flood damage; Eggman hacks into the government's...

Shadow commits a crime but the warrant that goes out is for Sonic's arrest.

Under a new alliance, Shadow, Rouge, and Eggman carry out their latest plan. As Eggman launches an a...

Sonic, Tails, Knuckles & Amy manage to break into Eggman's base, undetected. At least they THINK the...

Sonic, Tails, Knuckles, Amy and Tanaka have arrived at the ARK, but when Robotnik, Rouge and Shadow...

As the clock ticks for Space Colony Arc's crash, Sonic, Eggman, Bokkun, Dekkun, Knuckles, Tails, and...

The Chaotix Detectives made up of Vector the Crocodile, Espio the Chameleon, and Charmy the Bee have...

When an eclipse from the newly-repaired moon blocks the sun, Station Square faces a risk of panic. E...

After the success of the sunshine balls, Eggman then tries to execute the rest of his plan. Sonic ex...

Sonic is supposed to have a date with Amy, but he doesn't show up. So instead, she has a date with S...

Stewart keeps a close eye on Eggman. Unfortunetly for him, Chris, Helen, Danny, Cream, Cheese, and E...

A tournament at a nearby stadium is being held, with a red Chaos Emerald as the prize. Sonic, Tails,...

The fight tournament draws to a close with Emerl being the winner. However, Emerl starts going beser...

Eggman, Decoe, and Bocoe hatch a plan to destroy the Equator with a giant Robot, and it's up to Soni...

With Eggman under the Volcano Sonic, Rouge, Knuckles, Tails and Chris follow him. But is there somet...

It is discovered that Earth and Mobius are merging. If they join together completely, then time wil...

Sonic and his friends try to return to their home planet before time freezes.

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

Sonic must save Tails from a tailspin.

Sonic returns to his planet after releasing the seven chaos emeralds into space.

Cosmo reveals the mission of the Metarex.

Sonic is captured by the Metarex.

Sonic and the others see through Eggman's trick.

Sonic and friends are back on the hunt for Chaos Emeralds.

As Sonic crashes with Eggman onto a jungle planet, Amy rushes out to find him, and Cosmo and Cream f...

Chuck finds a way to teleport material objects to Sonic's world, and Vanilla asks the Chaotix to hel...

The crew of the Blue Typhoon go emerald hunting on a deserted planet.

A Metarex fleet lead by Scarship sets out to destroy Eggman and Sonic with its might.

After the battle with Metarex's Scarship, the Blue Typhoon crashes onto a strange planet.

Sonic and Eggman agree on a joint effort to retrive the last two Chaos Emeralds hiden inside a Metar...

Sonic squares off with Dark Oak and his army of Metarex.

Vector comes up with a scheme to play match maker for Cosmo and Tails.

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

Sonic and friends come across a barren planet with 500 Chaos Emerald signals coming from it.

While traveling through space, Dr. Eggman and his forces come across a group of humans battling the...

Sonic and the others finds a race called Marmolians and head to their home planet.

The Blue Typhoon comes under attack from the Metarex fleet.

The Chaotix trio tries to aide Sonic and his friends as Metarex hunts for them.

The Blue Typhoon arrives at a planet, but Yellow Zelkova attacks the Blue Typhoon.

Shadow invades the Blue Typhoon, trying to kill Cosmo for reasons unknown.

When the team discovers that Cosmo's brain is emitting a signal to the Metarex, they plan on trying...

Sonic and the others chase after Dark Oak to galactic coordinates 0-0-0, where a thousand-year proph...

After Sonic falls into the watery planet, the gang struggles for a way to rescue him and defeat Dark...

The giant seed finally reaches the final stage of its metamorphosis, and Cosmo steps in the battle t...

After the galaxy is saved, Sonic and his friends recalls memorable moments and anticipate their futu...