Sonic X: Chaos Emerald Saga

When Dr. Eggman (Robotnik in the US version) holds the president and his daughter hostage, Sonic must comply to the evil scientist's demand of going to Eggmanland to stop Black Eggman and deactivate the city's generator before it reaches critical mass. Little does Sonic know that it's a trap to activate Hyper Metal Sonic, a robot counterpart built by Eggman to destroy our hero. ow that all of the Chaos Emeralds have been located, Sonic's fued with Dr. Eggman develops into a battle of wits and trickery as Sonic and his friends take on Eggmann in an effort to control all seven of the powerful Chaos Emeralds.