Episode 1
Competitors cut, grind and torch 500 pounds of scrap metal; the first to finish the job earn the privilege of choosing their teammates.
Episode 2
Episode 3
In the individual challenge, crew members are tasked with designing and welding a structure that can withstand the crushing force of 1 ton of weight.
Episode 4
Teams are tasked with completing a muddy motocross track to the exact standards of professional riders.
Episode 5
Season 3 winner Lia Mort returns to guide the crews through a series of challenges at a local apple orchard; teams race to gather as many bushels of apples as quickly as possible.
Episode 6
Working-class Americans are tested for their strength, endurance, agility and mental toughness in challenges that take place in the real world.
Episode 7
The crews take a trip to the quarry where the contestants face the most explosive individual challenge ever when they must install 20 detonators.
Episode 8
Crew members compete in a series of challenges that give back to the local community
Episode 9
Dirty Hands and Savage Crew compete in the final team competition when they battle it out in a series of head-to-head matches inspired by the trades.
Episode 10
The final three compete in the most challenging gauntlet yet for the title of TOUGH AS NAILS champion and the coveted winner's belt.