Tough As Nails

Crew members compete in pairs to shrink wrap a large container, with the last couple to finish facing the overtime challenge where one person will be eliminated from the individual competition.

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.

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

Crew members visit a plant nursery where attention to detail is key when building a complex planter box in the individual challenge.

Part two of a special two hour season four premiere.

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 crews must install a crop field irrigation system.

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.

Crew members visit the U.S. Coast Guard, where it's time to sink or swim in a search and rescue individual challenge.

Season two crew member "Freight Train" returns to lead the competitors through their individual challenge of delivering boxes.

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

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

Crew members head into the city where they must complete a detailed paint job and clean the outside windows of a downtown skyscraper.

Crew members look to score a win in the team competition when they must convert a stadium from a concert venue to a soccer field.

Crew members get down on the farm in a series of jobs that require stacking 100 bales of hay, herding sheep and making horseshoes.

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

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.

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.

Teams are challenged mentally and physically when tasked with pushing 24 heavy barrels uphill and arranging them in a specific order at an oil field, and one crew member must conquer a fear of heights to climb a telephone pole.

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.

Tensions run high during the team challenge when one crew has issues with communication while building a large fence on a farm.

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.

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.

Twelve hard-working Americans take on navigating a wheelbarrow and testing their brick-laying skills to win the opportunity to choose their teams, on part one of the two-hour series premiere.