Watch Sonic Underground Season 1 Episode 37 Online
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- COUNTRIES: France,United States of America
- Subtitles: English
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.