The final five competitors battle to be crowned the champion of TOUGH AS NAILS and win the $200,000 prize! Plus, the finalists get a much-needed boost when their loved ones cheer them on.

Savage Crew and Dirty Hands take center stage when they must set up a lighting grid at the iconic Los Angeles theater The Wiltern.

Competitors cut, grind and torch 500 pounds of scrap metal; the first to finish the job earn the privilege of choosing their teammates.

Savage Crew and Dirty Hands "pound the pavement" in the team competition where they must reseal a massive parking lot.

Things get slippery when the 12 everyday heroes punch in for their first individual challenge of transporting 250 pounds of slime eels into a container.

Diesel mechanic Quincey Walker guides the crews through a series of challenges that involve servicing automobiles.

Season three competitor and carpenter Lamar Hanger returns to guide the crews through a series of construction challenges.

Savage Crew and Dirty Hands get tangled up in the team challenge when they must organize and load a 15,000-pound fishing net onto a boat.

The Dirty Hands and Savage Crew teams dig deep in order to sow the seeds of victory as they compete to landscape the front yard of a new house during the team competition.

Host Phil Keoghan welcomes 12 new crew members to Catalina Island, off the coast of Southern California; competitors must build a concrete retaining wall for their first individual competition.

The 12 new contenders who are everyday heroes take on their first job - making concrete - with the first two to complete the individual task named crew bosses who get to select their own crews for the team competitions.

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.

Teams "Savage Crew" and "Dirty Hands" compete in the final competition to win the overall team prize.

Savage Crew and Dirty Hands race to the Irwindale Speedway in Los Angeles, where they must work together to be the fastest team to complete a race car pit stop.

The crew takes on three additional challenges: they get down and dirty in their first team competition as they work to complete the missing part of a railroad track; they "punch in" for their initial individual test, and the last two standing face off in a railroad overtime challenge, on part two of the two-hour series premiere.

It's no day at the beach for teams Savage Crew and Dirty Hands as they compete to fill and seal giant bags of sand.

Crew members compete in a series of challenges that give back to the local community

The crew competes in a series of challenges at a junk yard, where they must take apart a car and retrieve auto parts. Next, the last two standing need all the strength they can spare in an overtime challenge removing tires from the rims.

Working-class Americans are tested for their strength, endurance, agility and mental toughness in challenges that take place in the real world.

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.

Twelve new contestants arrive and their first challenge is to race to receive cargo dropped from a C-130 plane.

Crew members punch in for their first individual challenge, repairing snow fences on Mt. Baldy, the highest peak in Los Angeles.

Teams are tasked with completing a muddy motocross track to the exact standards of professional riders.

The crews take a trip to the quarry where the contestants face the most explosive individual challenge ever when they must install 20 detonators.

Competitors cut, grind and torch 500 pounds of scrap metal; the first to finish the job earn the privilege of choosing their teammates.

The crew members dig deep in the individual competition as they maneuver a bulldozer through a course in order to avoid "punching out."

The final three compete in the most challenging gauntlet yet for the title of TOUGH AS NAILS champion and the coveted winner's belt.

Dirty Hands looks to clench the $60,000 bonus in the team competition by being the first crew to restore a wreck into a working car.