第 9 季 共 17 集
播出时间：2017年6月13日
第 1 集 Los Angeles Qualifiers
播出时间：2017年6月13日
In the first Qualifying Round from Los Angeles, California, competitors must tackle 6 obstacles, including Cannonball Drop and Battering Ram, which are new this season. Ninja veterans Kevin Bull, Flip Rodriguez, and Grant McCartney return for another shot at completing the course.
第 2 集 San Antonio Qualifiers
播出时间：2017年6月20日
In the second Qualifying Round from San Antonio, Texas, competitors face 2 new obstacles: the Spinning Bridge and Sky Hooks. Ninja veterans Kacy Catanzaro, Daniel Gil, and Brent Steffensen return. Newcomers include Indy car driver Conor Daly and Olympic Gold Medalist Jonathan Horton.
第 3 集 Daytona Beach Qualifiers
播出时间：2017年6月27日
In the Qualifying Round from Daytona Beach, Florida, competitors tackle 6 obstacles including the brand new Rolling Pin and Wingnuts. Veteran Ninja fan-favorites Jessie Graff, Drew Drechsel, and JJ Woods return. NASCAR driver Ben Kennedy also takes on the course for the first time in front of the vibrant, energetic crowd.
第 4 集 Kansas City Qualifiers
播出时间：2017年7月4日
Kansas City, Missouri is the next stop for competitors to give it their all on the obstacle course. Competitors face 6 challenging obstacles in the city qualifier, including 3 new ones: Hang Glider, Broken Pipes, and Crank It Up. Ninja veterans Lance Pekus, Brandon Mears, and Dan Polizzi return, while Olympic decathlete Jeremy Taiwo takes on the course for the first time.
第 5 集 Cleveland Qualifiers
播出时间：2017年7月11日
Cleveland, Ohio hosts the next qualifying round where competitors tackle 2 new obstacles: Razor’s Edge and I-Beam Gap. Cleveland also features the return of last season’s “fantastic four” women – Alyssa Beird, Rachel Goldstein, Jesse “Flex” Labreck, and Michelle Warnky, as well as Ninja veterans Jon Alexis Jr., Mike Bernardo, Joe Moravsky, and Jamie Rahn.
第 6 集 Denver Qualifiers
播出时间：2017年7月18日
The Mile High City hosts the final qualifying round where competitors tackle 3 challenging new obstacles: Bouncing Spider, Rail Runner, and Ninjago Roll. Denver features the return of Ninja veterans Jake Murray, Sam Sann, Meagan Martin, and Brian Arnold.
第 7 集 Los Angeles City Finals
播出时间：2017年7月25日
The top 30 competitors from the Los Angeles Qualifier tackle the City Finals course, which features the Salmon Ladder, Stair Hopper, Swinging Peg Board and Elevator Climb.
第 8 集 San Antonio City Finals
播出时间：2017年8月1日
Competitors will face the Salmon Ladder, Hourglass Drop, Elevator Climb and new obstacle Spinball Wizard; veteran ninjas Kacy Catanzaro, Daniel Gil and Brent Steffensen return.
第 9 集 Daytona Beach City Finals
播出时间：2017年8月8日
Contestants tackle obstacles including the Salmon Ladder, Circuit Board, Elevator Climb and new obstacle Giant Cubes.
第 10 集 Cleveland City Finals
播出时间：2017年8月15日
The top 30 competitors from the Cleveland city qualifier compete on one of the the world's most challenging obstacle courses.
第 11 集 Kansas City City Finals
播出时间：2017年8月22日
The top 30 competitors from Kansas City, Mo., vie for a chance to compete in the national finals.
第 12 集 Denver City Finals
播出时间：2017年8月29日
The top competitors from the Denver qualifiers compete one more time before the national finals in Las Vegas.
第 13 集 Las Vegas - Finals Night 1
播出时间：2017年9月5日
The season's top competitors compete in the national finals in Las Vegas.
第 14 集 Las Vegas - Finals Night 2
播出时间：2017年9月12日
National finals continue in Las Vegas, where the season's top competitors tackle a four-stage course.
第 15 集 Las Vegas Season Finale
播出时间：2017年9月19日
It's the final night of the National Finals, where the season's best Ninjas tackle the last stages of "Mount Midoriyama."
第 16 集 USA vs. the World
播出时间：2018年3月12日
Sean Bryan, Drew Drechsel, Joe Moravsky and Najee Richardson represent Team USA against top athletes from Asia, Europe and Latin America in a battle for worldwide ninja domination.
第 17 集 All-Stars Special
播出时间：2018年5月18日
Top ninjas, including Drew Drechsel, Jessie Graff, Najee Richardson and Flip Rodriguez, climb, sprint and fly through a special course and supersized obstacles as they compete in crazy feats of strength, skill challenges and a team relay for the ages...
