New Yoke City, a futuristic, industrial version of Green Hill ruled by the Chaos Council .
While Sonic is held and "stress-tested" by the Chaos Council, two rebels— Rebel Rouge and Renegade Knucks —attempt to infiltrate a lab during a power outage to rescue him. Key Plot Points
The episode includes a flashback or secondary plotline showing a confrontation between Sonic and Shadow the Hedgehog in the original Green Hill. Shadow, having sensed a future disaster caused by Sonic’s actions, attempts to stop him before he shatters the Paradox Prism .
Nine (a cynical, multi-tailed version of Tails) is forced to assist the Council but notices Sonic's unique energy. Meanwhile, the resistance members see footage of Sonic and realize he may be the key to restoring their world to the "Green Hill" of the past. Cast and Production