May 20, 2012 · 1h
People from the Southwest compete for a chance at the world's most difficult obstacle course.


Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those that successfully complete the finals course in their designated region move on to the national finals round in Las Vegas, where they face a stunning four-stage course modeled after the famed Mt. Midoriyama course in Japan. The winner will take home a grand prize of $1 million.
Browse every episode and jump into details.
May 20, 2012 · 1h
People from the Southwest compete for a chance at the world's most difficult obstacle course.
May 20, 2012 · 1h
People from the Southwest compete for a chance at the world's most difficult obstacle course.
May 22, 2012 · 1h
The top 30 finishers from the Southwest qualifying round take on an even more challenging obstacle course to advance to the national finals.
May 27, 2012 · 1h
Midwest competitors try to qualify for the national contest.
May 27, 2012 · 1h
Midwest competitors try to qualify for the national contest.
May 21, 2012 · 1h
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.
May 28, 2012 · 1h
Athletes from the Northeast compete.
May 29, 2012 · 1h
Athletes from the Northeast compete.
Jun 3, 2012 · 1h
The top 30 Northeast finishers take on a more challenging course.
Jun 3, 2012 · 1h
Contestants from the Northwest compete.
Jun 4, 2012 · 1h
Contestants from the Northwest compete.
Jun 5, 2012 · 1h
The top 30 Northwest finishers compete.
Jun 10, 2012 · 1h
Competitors from the Midsouth region.
Jun 10, 2012 · 1h
Competitors from the Midsouth region.
Jun 11, 2012 · 1h
The top 30 Mid-south competitors compete.
Jun 12, 2012 · 1h
Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course.
Jun 17, 2012 · 1h
Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course.
Jun 17, 2012 · 1h
The top 30 Southeast finishers compete on a more challenging course..
Jun 18, 2012 · 1h
One hundred competitors attempt the most-difficult obstacle course.
Jun 19, 2012 · 1h
Stage 1 of the most-difficult obstacle course continues.
Jun 24, 2012 · 1h
Stage 1 of the most difficult obstacle course continues.
Jun 24, 2012 · 1h
Stage 1 of the 8 obstacle course will challenge even the most skilled competitors.
Jun 25, 2012 · 1h
Top finishers challenge Mount Midoriyama.
Jun 26, 2012 · 1h
Ultimate challenges including the Spider Flip and the Double Salmon Ladder.
Jul 8, 2012 · 1h
Previously unseen footage includes top finishers from preliminary rounds tackling a challenging obstacle course.
Jul 8, 2012 · 1h
Competitors face a challenging obstacle course in hope of landing a spot in the finals.
Jul 8, 2012 · 1h
Top contenders tackle a challenging obstacle course in hope of moving to the final round.
Jul 9, 2012 · 1h
Competitors face a challenging obstacle course in hope of landing a spot in the finals.
Jul 10, 2012 · 1h
Athletes face the eight obstacles of Stage 1 in Las Vegas.
Jul 16, 2012 · 1h
Finalists take on a four-stage course. Challenges include a "jumping spider" and a "spinning bridge."
Jul 17, 2012 · 1h
Athletes compete in the finals in Las Vegas.
Jul 24, 2012 · 1h
Top finishers from the regionals advance to the final round.
Quick answers about this season's release timeline and episode lineup.
American Ninja Warrior Season 4 premiered on May 20, 2012.
American Ninja Warrior Season 4 has 32 episodes.
The season opens with Season 4 Episode 1, "Southwest Qualifying Round (1)". It aired on May 20, 2012.
Go to Season 4 Episode 1