Ep. 1: Sonic chega ao mundo humano após uma perseguição em alta velocidade com a Equipe S.

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At the end of the battle for the Chaos Emeralds with Dr. Eggman, Sonic crosses time and space and ends up in the human world. He rushes through the highway and is met with the high-speed patrol group S-Team who try to stop him, but he easily outruns them. After the chase, Sonic ends up on Planet Earth running through the highway's blockade and falls into a mansion's pool, which he can't swim out from. He is then rescued by a boy named Chris Thorndyke, who lives in the mansion due to his parents being busy with their jobs as a technology business CEO and movie star. (Source: Wikipedia)