Tough As Nails

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.

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.

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 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.

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

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.

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

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.

Part two of a special two hour season four premiere.

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

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

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

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.