American Ninja Warrior: Season 4

Episode 1: Southwest Qualifying Round (1) 2012-05-20 | 60 min People from the Southwest compete for a chance at the world's most difficult obstacle course. Episode 2: Southwest Qualifying Round (2) 2012-05-20 | 60 min People from the Southwest compete for a chance at the world's most difficult obstacle course. Episode 3: Southwest Regional Finals 2012-05-22 | 60 min The top 30 finishers from the Southwest qualifying round take on an even more challenging obstacle course to advance to the national finals. Episode 4: Midwest Regional Qualifying Round (1) 2012-05-27 | 60 min Midwest competitors try to qualify for the national contest. Episode 5: Midwest Regional Qualifying Round (2) 2012-05-27 | 60 min Midwest competitors try to qualify for the national contest. Episode 6: Midwest Regional Finals 2012-05-21 | 60 min 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. Episode 7: Northeast Regional Qualifying Round (1) 2012-05-28 | 60 min Athletes from the Northeast compete. Episode 8: Northeast Regional Qualifying Round (2) 2012-05-29 | 60 min Athletes from the Northeast compete. Episode 9: Northeast Region Finals 2012-06-03 | 60 min The top 30 Northeast finishers take on a more challenging course. Episode 10: Northwest Regional Qualifying Round (1) 2012-06-03 | 60 min Contestants from the Northwest compete. Episode 11: Northwest Regional Qualifying Round (2) 2012-06-04 | 60 min Contestants from the Northwest compete. Episode 12: Northwest Regional Finals 2012-06-05 | 60 min The top 30 Northwest finishers compete. Episode 13: Midsouth Regional Qualifying Round (1) 2012-06-10 | 60 min Competitors from the Midsouth region. Episode 14: Midsouth Regional Qualifying Round (2) 2012-06-10 | 60 min Competitors from the Midsouth region. Episode 15: Midsouth Regional Finals 2012-06-11 | 60 min The top 30 Mid-south competitors compete. Episode 16: Southeast Regional Qualifying Round (1) 2012-06-12 | 60 min Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course. Episode 17: Southeast Regional Qualifying Round (2) 2012-06-17 | 60 min Athletes and everyday people compete for a chance to take on the World's Most Difficult Obstacle Course. Episode 18: Southeast Regional Finals 2012-06-17 | 60 min The top 30 Southeast finishers compete on a more challenging course.. Episode 19: Las Vegas Finals (1) 2012-06-18 | 60 min One hundred competitors attempt the most-difficult obstacle course. Episode 20: Las Vegas Finals (2) 2012-06-19 | 60 min Stage 1 of the most-difficult obstacle course continues. Episode 21: Las Vegas Finals (3) 2012-06-24 | 60 min Stage 1 of the most difficult obstacle course continues. Episode 22: Las Vegas Finals (4) 2012-06-24 | 60 min Stage 1 of the 8 obstacle course will challenge even the most skilled competitors. Episode 23: Las Vegas Finals (5) 2012-06-25 | 60 min Top finishers challenge Mount Midoriyama. Episode 24: Las Vegas Finals (6) 2012-06-26 | 60 min Ultimate challenges including the Spider Flip and the Double Salmon Ladder. Episode 25: Best of Southwest 2012-07-08 | 60 min Previously unseen footage includes top finishers from preliminary rounds tackling a challenging obstacle course. Episode 26: Best of the Midwest 2012-07-08 | 60 min Competitors face a challenging obstacle course in hope of landing a spot in the finals. Episode 27: Best of Northeast 2012-07-08 | 60 min Top contenders tackle a challenging obstacle course in hope of moving to the final round. Episode 28: Best of Northwest 2012-07-09 | 60 min Competitors face a challenging obstacle course in hope of landing a spot in the finals. Episode 29: Best of Midsouth 2012-07-10 | 60 min Athletes face the eight obstacles of Stage 1 in Las Vegas. Episode 30: Best of Southeast 2012-07-16 | 60 min Finalists take on a four-stage course. Challenges include a "jumping spider" and a "spinning bridge." Episode 31: Best of the Finals (1) 2012-07-17 | 60 min Athletes compete in the finals in Las Vegas. Episode 32: Best of the Finals (2) 2012-07-24 | 60 min Top finishers from the regionals advance to the final round.