Robotnik makes chewing gum that makes the consumer as fast as Sonic.

When Throbbin Screech features Sonic on his talk show, Lifestyles of the Very Good, Robotnik kidnaps his niece in order to be featured on the show.

Sonic and Tails get arrested for speeding due to Robotnik's nefarious hypnotizing scheme.

Sonic and Tails enter a car race in order to save an orphanage that Robotnik threatens to shut down.

Sonic, Tails and a group of mole miners are hit by Robotnik's shrink ray and must work together to reverse the effects.

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

Robotnik plans to freeze all of the Mobians in order to make them obedient.

When Momma Robotnik threatens her son into campaigning for the Mobius presidency, Sonic decides to run against him.

Robotnik forces a starving village of rabbits into building a statue of himself.

Robotnik takes control of the local amusement park on Sonic's birthday and uses it to try to finish him off.

Sonic and Tails help a mermaid hedgehog named Merna save her underwater city from the wrath of Captain John Paul Memo.

Robotnik captures Kwai Chang Crane, a martial arts master, and uses him to turn Scratch and Grounder into effective ninja to defeat Sonic.

A pickpocket named Easy Eddie picks at Robotnik's Chaos Emerald ring, much to his anger. Sonic must keep Easy Eddie hidden so that he can discard the ring.

When Sonic mysteriously vanishes, Tails, Professor Von Schlemmer, and a pilot named William le Due search for him in the Pyramid of Kommamachs.

Scratch and Grounder build a robot of their own who soon runs away and ends up befriending Sonic.

Wes Weasley has sold out to Robotnik, and lures Tails, Sonic and all of their friends to a yacht under the guise of a "Hero of the Year" ceremony to thank Sonic.

Robotnik is after the Power Gems from the city of Submerbia and Sonic and Tails are hired to stop him.

A chemical accident caused by Coconuts ends up giving superpowers to Robotnik, who quickly uses them to threaten Mobius's world leaders and publicly humiliate Sonic.

Coconuts acquires a magic wand and magical gadgets from Wes Weasley, and attempts to master them.

On the way 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 Mad Mike after Scratch and Grounder tell them that Sonic and Tails are the enemies.

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

Sonic comes to the rescue of a town that is held for ransom by Robotnik's crime syndicate.

Sonic and Tails babysit a trio of unruly baby beavers who end up being abducted by Scratch and Grounder.

Robotnik creates a robot fox family when he finds out that Sonic is trying to find Tails a new home to keep him safe.

When Sonic saves a female hedgehog named Breezie, he falls in love. Sonic does not know that Breezie is a robot that Dr. Robotnik created to keep Sonic occupied while he floods a village near his fortress.