Amazing Race Preview Clip Features a Watermelon to the Face 9.17K Matt Toder 09/08/10 09:15AM Filed to: The Amazing Race The Amazing Race fail watermelon Video TV In this preview of the upcoming season of the Amazing Race, a contestant tasked with using a slingshot to smash a knight in the face with a watermelon gets quite the surprise. When the slingshot backfires, the result is hilarious. [CBS' TwitVid via the Daily What]