Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy. Art's objective is to destroy everything in sight, including Sonic, Manic and Sonia. The giant mechanical beast is seemingly unstoppable until he overhears the musical melodies of the Underground band.
Elenco: Jaleel White , Garry Chalk , Maurice LaMarche , Peter Wilds , Gail Webster , Louise Vallance , Tara Strong , Sam Vincent , Ian James Corlett , Kathleen Barr , Frank Welker .