Sonic Underground (1999)

S1E24 Six Is a Crowd

Title: A Multiverse of Shadows Plot: The Oracle encourages the Hedgehogs to embark on a quest that promises to uncover insights about their destinies. Sonic, Manic, and Sonia are transported to a dimension that mirrors their own, but in this reality, they reign over Mobius rather than hiding in the Underground. As they navigate this unfamiliar realm, they are taken aback by their surroundings and soon encounter twisted versions of themselves, challenging their perceptions and forcing them to confront the darker sides of their identities.