Tough As Nails Episode Rating Graph

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

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

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

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.

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.

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 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.

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.

Part two of a special two hour season four premiere.

Fan favorites from season one stop by to lead the crew in the final team challenge hanging sheet rock, and in the individual challenge laying shingles.

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.

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

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.

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

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.

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

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

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.