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In the team challenge, Dirty Hands and Savage Crew are tasked with completing a muddy motocross track to the exact standards of professional riders.
In the individual challenge crew members are under "a ton" of pressure when tasked with designing and welding a structure that can withstand the crushing force of 1 ton of weight.
Season three winner Lia Mort returns to guide the crews through a series of challenges at a local apple orchard. In the team competition, Dirty Hands and Savage crew race to gather as many bushels of apples as quickly as possible.