When Sonic and Tails are captured by Grounder and Scratch, Sonic tricks them into letting them escape by reminiscing about how they all met.

Sonic and Tails escape underground from Scratch and Grounder but are held captive there by a miserly mole named Spelunk.

Sonic falls in love with a hedgehog he saved named Breezie, not knowing that she's a robot Dr. Robotnik created to keep Sonic occupied while he floods a city near his fortress.

Sonic must save a family of sloths from Dr. Robotnik's slow-motion ray, but when he is slowed down by Scratch and Grounder, Tails and the sloth family must take action.

Sonic and Tails infiltrate Robotnik's Casino Night Zone to stop he and his henchmen from scamming a group of sheep into becoming Robotnik's slaves.

Robotnik imprisons a satirical cartoonist named Sketch Lampoon for making fun of him in his comic book, much to the anger of Sonic, his biggest fan. Sonic purposely allows his own capture as well, but doesn't expect to be placed in maximum-security.

Robotnik's insane cousin, Dr. Warpnik, captures Tails and lures Sonic into his Zone of Confusion in order to exact revenge on Robotnik for banishing him.

Sonic and Tails must help an alien prince fix his space shuttle to return to his home planet for coronation to become king or else his younger brother will be crowned in his place and destroy Mobius.

Robotnik's obnoxious mother visits her son on her birthday and expects a present. After he fails to destroy a nearby forest as a present, however, she decides to capture Sonic as her own gift.

Sonic the Hedgehog, the most fearless hero on Planet Mobius, uses his supersonic speed and teenage irreverence to thwart the comedically despicable Dr. Robotnik. Sonic's idolizing little buddy, Tails, tags along on every fast-action, gag-driven adven

Outraged by a popular song about Sonic, Robotnik outlaws music on Mobius and takes the song's composer captive, intent on creating his own song.

An energetic salesman named Wes Weasley sells Robotnik numerous gadgets to help Scratch and Grounder capture Sonic. However, they keep backfiring.

Sonic and Tails rescue Lucas, Robotnik's first prisoner, and attempt to reunite him with his girlfriend, Lucinda. However, Robotnik is also in love with Lucinda!

En route to stop a train of explosives from arriving at Robotnik's munition factory, Sonic and Tails must deal with a duo of bears named Big Griz and Big Mike after Scratch and Grounder tell them that Sonic and Tails are the enemies.

Robotnik takes Professor Von Schlemmer hostage and uses his growth machine to try to enlarge himself. However, the machine backfires and enlarges Tails instead.

When Sonic decides to find Tails a foster home to ensure his safety, Robotnik finds out and creates a robot fox family to pose as Tails' long-lost parents.

When overweight, elderly superhero Captain Rescue bungles his attempts to help Sonic, he grows tired of his incompetence.

Scratch suffers a blow to the head and believes that he's his favorite television character, Edgar Eagle.

During a fair in his honor, Sonic's shoes are stolen, and he and Tails try and solve the whodunit case.

Tails adopts a squishy creature from another dimension named Goopster, who turns out to be a black hole.

Momma Robotnik visits her son, but after he fails once again, she disowns him and decides to adopt Sonic as her own son in order to capture him.

Robotnik creates a robot Sonic suit with the intent of ruining the hedgehog's reputation.

Grounder accidentally puts a "genius chip" in his head, making him so smart that he easily captures Sonic and takes over Robotnik's operations.

When Scratch and Grounder zap Sonic with Robotnik's new freeze ray, Tails uses intellect and disguise to foil the two henchmen.