 Rats, glaciers, and coal are the weekly challenges for the Racers as they vie for a position in the final six. The wild landscape of Argentina gives way to an African adventure as Teams breathe a sigh of relief in this non-elimination week. Peter Parker has a laboratory accident that changes his life. He finds himself with greatly increased strength, the ability to stick to walls to climb them without needing hand and footholds and a "spider-sense" (presented in this series as clairvoyance) that allows him to sense danger. Designing a costume and a webshooter that allows him to fire a strong artificial web, he fights crimes as Spider-Man.