Season 4

2012-05-20 · 60m

People from the Southwest compete for a chance at the world's most difficult obstacle course.

2012-05-22 · 60m

The top 30 finishers from the Southwest qualifying round take on an even more challenging obstacle course to advance to the national finals.

2012-05-27 · 60m

Midwest competitors try to qualify for the national contest.

2012-05-27 · 60m

Midwest competitors try to qualify for the national contest.

2012-05-21 · 60m

The top 30 qualifiers compete for a chance to move on to the national finals and tackle a harder course in hope of getting the $50,000 prize.

2012-05-28 · 60m

Athletes from the Northeast compete.

2012-05-29 · 60m

Athletes from the Northeast compete.

2012-06-03 · 60m

The top 30 Northeast finishers take on a more challenging course.

2012-06-03 · 60m

Contestants from the Northwest compete.

2012-06-04 · 60m

Contestants from the Northwest compete.

2012-06-05 · 60m

The top 30 Northwest finishers compete.

2012-06-10 · 60m

Competitors from the Midsouth region.

2012-06-10 · 60m

Competitors from the Midsouth region.

2012-06-11 · 60m

The top 30 Mid-south competitors compete.

2012-06-12 · 60m

Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course.

2012-06-17 · 60m

Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course.

2012-06-17 · 60m

The top 30 Southeast finishers compete on a more challenging course..

2012-06-18 · 60m

One hundred competitors attempt the most-difficult obstacle course.

2012-06-19 · 60m

Stage 1 of the most-difficult obstacle course continues.

2012-06-24 · 60m

Stage 1 of the most difficult obstacle course continues.

2012-06-24 · 60m

Stage 1 of the 8 obstacle course will challenge even the most skilled competitors.

2012-06-25 · 60m

Top finishers challenge Mount Midoriyama.

2012-06-26 · 60m

Ultimate challenges including the Spider Flip and the Double Salmon Ladder.

2012-07-08 · 60m

Previously unseen footage includes top finishers from preliminary rounds tackling a challenging obstacle course.

2012-07-08 · 60m

Competitors face a challenging obstacle course in hope of landing a spot in the finals.

2012-07-08 · 60m

Top contenders tackle a challenging obstacle course in hope of moving to the final round.

2012-07-09 · 60m

Competitors face a challenging obstacle course in hope of landing a spot in the finals.

2012-07-10 · 60m

Athletes face the eight obstacles of Stage 1 in Las Vegas.

2012-07-16 · 60m

Finalists take on a four-stage course. Challenges include a "jumping spider" and a "spinning bridge."

2012-07-17 · 60m

Athletes compete in the finals in Las Vegas.

2012-07-24 · 60m

Top finishers from the regionals advance to the final round.