TV American Ninja Warrior - Season 9 Episode 15 : Las Vegas Season Finale American Ninja Warrior - Season 9 Episode 15 : Las Vegas Season Finale 6.849/10 by 73 users It's the final night of the National Finals, where the season's best Ninjas tackle the last stages of "Mount Midoriyama." Details Casts Posters Images Title American Ninja Warrior - Season 9 Episode 15 : Las Vegas Season Finale 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 9 :Episode 1 Los Angeles Qualifiers Los Angeles Qualifiers 2017-06-12 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 9 :Episode 2 San Antonio Qualifiers San Antonio Qualifiers 2017-06-19 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 9 :Episode 3 Daytona Beach Qualifiers Daytona Beach Qualifiers 2017-06-26 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 9 :Episode 4 Kansas City Qualifiers Kansas City Qualifiers 2017-07-03 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 9 :Episode 5 Cleveland Qualifiers Cleveland Qualifiers 2017-07-10 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 9 :Episode 6 Denver Qualifiers Denver Qualifiers 2017-07-17 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 9 :Episode 7 Los Angeles City Finals Los Angeles City Finals 2017-07-24 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those... American Ninja Warrior Season 9 :Episode 8 San Antonio City Finals San Antonio City Finals 2017-07-31 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 9 :Episode 9 Daytona Beach City Finals Daytona Beach City Finals 2017-08-07 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 9 :Episode 10 Cleveland City Finals Cleveland City Finals 2017-08-14 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 9 :Episode 11 Kansas City City Finals Kansas City City Finals 2017-08-21 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 9 :Episode 12 Denver City Finals Denver City Finals 2017-08-28 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 9 :Episode 13 Las Vegas - Finals Night 1 Las Vegas - Finals Night 1 2017-09-04 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 9 :Episode 14 Las Vegas - Finals Night 2 Las Vegas - Finals Night 2 2017-09-11 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 9 :Episode 15 Las Vegas Season Finale Las Vegas Season Finale 2017-09-18 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 9 :Episode 16 USA vs. the World USA vs. the World 2018-03-11 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 9 :Episode 17 All-Stars Special All-Stars Special 2018-05-17 Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those...