Watch Sonic Underground Episode 21 English dubbed online free episodes with HQ / high quality. Stream Anime Sonic Underground Episode 21 English version The Jewel in the Crown Queen Aleena’s Royal Jewel can trace the Queen like a homing device. Having apparently found the jewel Sonic, Sonia and Manic think they may have found their mother at last. Little do they know it is actually a trap to capture Robotnik, a trap they’ve just fallen into.
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