849K views · 720 reactions | In a race this close, it's anyone's game to win. The first round of the playoffs begins on an all-new American Ninja Warrior: Ninja Vs. Ninja, TONIGHT at 11/10c on USA Network. | Ninja Warrior | Facebook

657 reactions · 85 shares | Ninja veteran Karsten Williams goes up against world-renowned gymnast Jonathan Horton TONIGHT. American Ninja Warrior: Ninja Vs. Ninja. 9/8c. USA Network. | Ninja Warrior | Facebook

1.4M views · 179 shares | Karsten Williams is straight up powering through this course! | Ninja Warrior | Facebook

Champion rock climber Sean McColl dominates Stage 2, finishing his first-ever ANW run with ease. Catch up on American Ninja Warrior USA vs. The World and more full episodes from Season 6 RIGHT NOW at esquiretv.com/now | Ninja Warrior

44K views · 244 reactions | If you missed last week's premiere, you have another chance to watch the Ninjas run! American Ninja Warrior: Ninja vs. Ninja starts at 7/6c on USA Network. | Ninja Warrior | Facebook

144 reactions · 7 comments | What do you get when you put some of the most famous ninjas in one place? One EPIC competition. American Ninja Warrior: Ninja Vs. Ninja is all-new Thursdays at 9/8c on USA Network. | Ninja Warrior | Facebook

27M views · 10K reactions | Speed is the name of the game for this Ninja alum! | Ninja Warrior | Facebook

19M views · 2.6K reactions | Barclay Stockett is a force to be reckoned with! Will Team USA take the win SUNDAY on NBC? | Ninja Warrior | Facebook