Stream the full Sonic Underground Season 1 Episode 1 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
Sonic Underground: Queen Aleena tells the story of how Dr. Robotnik took over Mobius, and how she had to give up her three children, Manic, Sonia, and Sonic, to fulfill a prophecy exclaiming that one day, the siblings will be able to rise against Robotnik's rule and restore peace to the planet.