Rowan is homesick and Steph finds a way to cure it by visiting Sonic's, Tails' Knuckles' and Amy's home world, Mobius, where the friends meet more of Sonic's friends, the Freedom Fighters, who are fighting against Dr. Robotnik to stop him from turning animals into robots and polluting the planet. What they don't know is that Dr. Robotnik is planning something with help from the Disney Villains.

Sally Acorn, Bunnie Rabbot, Rotor, Antoine D'Coolette, Linus Van Pelt, Eddie Knox, Casey Lynch and Lars Umlaut are introduced.

Harry Potter © J.K. Rowlling
Guitar Hero © Neversoft
Calvin And Hobbes © Bill Watterson
Raggedy Ann and Raggedy Andy © Johnny Gruelle/CBS
Sonic The Hedgehog © Sega
Scooby-Doo © Hanna-Barbera
Mega Man/Mega Man X © Capcom
Pokemon © Nintendo/Gamefreak
My Little Pony © Hasbro
Disney Characters © Disney
Kingdom Hearts © Disney/Square Enix
Garfield © Jim Davis
Peanuts © Charles M. Schulz
Looney Tunes/Tiny Toon Adventures © Warner Bros
Just An Illusion © Imagination
You Might Think © The Cars
Private Eyes © Hall & Oates