Season 12Episode 51h 0m
Semifinals 1
2020-10-120.0 rating
Ninjas face up to 10 obstacles, including the new head-spinning Corkscrew and mechanical Clockwork, plus fan favorites such as the Salmon Ladder and the Warped Wall. Ninjas include Daniel Gil, Jesse Labreck, Sandy Zimmerman, Jody Avila, and Grant McCartney.