On a mission in a distant sector of Robotropolis, the Hedgehogs are informed that freedom fighters have disappeared and are going to be roboticized. Sonic races to save his friends, but he is too late. The group of freedom fighters have been robotisized, including Cyrus' father.
Elenco: Jaleel White , Garry Chalk , Maurice LaMarche , Peter Wilds , Gail Webster , Louise Vallance , Tara Strong , Sam Vincent , Ian James Corlett , Kathleen Barr , Frank Welker .