TV American Ninja Warrior - Season 4 Episode 12 : Northwest Regional Finals American Ninja Warrior - Season 4 Episode 12 : Northwest Regional Finals 6.849/10 by 73 users The top 30 Northwest finishers compete. Details Casts Posters Images Title American Ninja Warrior - Season 4 Episode 12 : Northwest Regional Finals Alternative Titles 美国极限体能王 First Air Date 2009-12-12 Last Air Date 2025-09-01 Number of Episodes 257 Number of Seasons 18 Genres Reality, Networks NBC, G4, Casts Matt Iseman, Akbar Gbaja-Biamila Plot Keywords , Self - Host Matt Iseman Self - Host Akbar Gbaja-Biamila Episodes List American Ninja Warrior Season 4 :Episode 1 Southwest Qualifying Round (1) Southwest Qualifying Round (1) 2012-05-20 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 2 Southwest Qualifying Round (2) Southwest Qualifying Round (2) 2012-05-20 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 3 Southwest Regional Finals Southwest Regional Finals 2012-05-22 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 4 Midwest Regional Qualifying Round (1) Midwest Regional Qualifying Round (1) 2012-05-27 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 5 Midwest Regional Qualifying Round (2) Midwest Regional Qualifying Round (2) 2012-05-27 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 6 Midwest Regional Finals Midwest Regional Finals 2012-05-21 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 7 Northeast Regional Qualifying Round (1) Northeast Regional Qualifying Round (1) 2012-05-28 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 8 Northeast Regional Qualifying Round (2) Northeast Regional Qualifying Round (2) 2012-05-29 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 9 Northeast Region Finals Northeast Region Finals 2012-06-03 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 10 Northwest Regional Qualifying Round (1) Northwest Regional Qualifying Round (1) 2012-06-03 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 11 Northwest Regional Qualifying Round (2) Northwest Regional Qualifying Round (2) 2012-06-04 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 12 Northwest Regional Finals Northwest Regional Finals 2012-06-05 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 13 Midsouth Regional Qualifying Round (1) Midsouth Regional Qualifying Round (1) 2012-06-10 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 14 Midsouth Regional Qualifying Round (2) Midsouth Regional Qualifying Round (2) 2012-06-10 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 15 Midsouth Regional Finals Midsouth Regional Finals 2012-06-11 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 16 Southeast Regional Qualifying Round (1) Southeast Regional Qualifying Round (1) 2012-06-12 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 17 Southeast Regional Qualifying Round (2) Southeast Regional Qualifying Round (2) 2012-06-17 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 18 Southeast Regional Finals Southeast Regional Finals 2012-06-17 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 19 Las Vegas Finals (1) Las Vegas Finals (1) 2012-06-18 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 20 Las Vegas Finals (2) Las Vegas Finals (2) 2012-06-19 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 21 Las Vegas Finals (3) Las Vegas Finals (3) 2012-06-24 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 22 Las Vegas Finals (4) Las Vegas Finals (4) 2012-06-24 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 23 Las Vegas Finals (5) Las Vegas Finals (5) 2012-06-25 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 24 Las Vegas Finals (6) Las Vegas Finals (6) 2012-06-26 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 25 Best of Southwest Best of Southwest 2012-07-08 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 26 Best of the Midwest Best of the Midwest 2012-07-08 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 27 Best of Northeast Best of Northeast 2012-07-08 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 28 Best of Northwest Best of Northwest 2012-07-09 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 29 Best of Midsouth Best of Midsouth 2012-07-10 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 30 Best of Southeast Best of Southeast 2012-07-16 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 31 Best of the Finals (1) Best of the Finals (1) 2012-07-17 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 4 :Episode 32 Best of the Finals (2) Best of the Finals (2) 2012-07-24 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those...