American Ninja Warrior returns for Season 12, inside the Dome at America's Ce...
American Ninja Warrior
Season 12 Episode 5: Semifinals 1
In the first round of the semifinals, competitors including Daniel Gil, Jesse Labreck, Sandy Zimmerman, Jody Avila and Grant McCartney face up to 10 daunting obstacles, including Clockwork and the new head-spinning Corkscrew.