Knuckles, forlod de andre men bliver væk i byen. Over alt i byen ser han avisoverskrifterne: "UIDENTIFICERET OBJECT OPDAGET?". Han bliver vred hver gang han ser de overdrevne artikler om Sonic og hans venner.
Dr. Eggman täuscht den leichtgläubigen Knuckles mit einer gemeinen List, sodass dieser sich gegen Sonic wendet. Der getäuschte Knuckles versucht, Eggman den "Chaos Emerald" zu verschaffen, einen Stein, der um sich herum Chaos erzeugt ...
Having parted with Sonic and the others, Knuckles, the red-quilled echidna, who is taking independent action, hides in the city. There, he comes in contact with Robotnik, who claims that he wants to collect the Chaos Emeralds to return to their own world and apologizes for the evil deeds he has done until now, asking Knuckles to deal with Sonic. Knuckles is tricked by those words. It is then reported that an unidentified gem has been discovered. It turns out to be a trap Robotnik had made up, but Knuckles and Sonic's group fall for it. That's where Sonic and Knuckles begin their fight. After Knuckles realizes that Robotnik lied to him about wanting to live in peace, he teams up with Sonic to defeat him.
Dopo essere stato ingannato dal dottor Eggman, Knuckles incolpa Sonic per essere rimasto intrappolato nel mondo degli uomini e lo sfida a battersi.
Knuckles, desesperado por volver a vigilar la Esmeralda Maestra, se entera gracias al Dr. Eggman que Sonic es culpable de su situación de tristeza y que Sonic peinsa que La Tierra es mejor que su mundo, con lo cual Knuckles es engañado.
