When Metal Sonic steals all seven of the Chaos Emeralds, Sonic and his pals Knuckles, Amy, and Tails, pursue the robot into the Acorn Kingdom, Metal Sonic tries to escape the heroes by breaking into the castle and hiding in the throne room, but isn't away from being spotted by Sally and Elias, who alert Sonic and them, now cornered, Metal Sonic puts all of the Chaos Emeralds together in hopes of defending himself and his mission, then in a burst of light a multitude of villains and heroes, who were hanging around the Acorn Kingdom, were teleported and separated into groups in an unknown world that the mobians find out is earth, Can Sonic and them find all of their friends and the Chaos Emeralds? Or will the villains find them first and prevent them from ever returning home. Read on to find out..
7 parts