You will Watch Sonic X Episode 21 English Dubbed online for free episodes with HQ / high quality. Stream anime Sonic X Season 1 Episode 21 Fast Friends Chris’ uncle Sam wants to race Sonic, but Sonic isn’t interested, even with Sam’s new rocket engine in his car. After constant pestering and a threat by Eggman, Sonic gives in, and challenges Sam. Sonic and Sam are racing the Station Square streets, the bridge, desert and rocks. Eggman’s robot tries to stop the race, but he fails. Tails, Amy, Cream, Chris, Chuck, Linsey, Nelson, Ella and Tanaka are waiting for them. Sonic wins the race and Sam is defeated.