Season 1, Episode 4 Semi-Final Round
First Aired: December 12, 2009
Part 4 of 8. The semifinal round challenges the first half of the qualified American competitors.
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- Premiered: December 12, 2009
- Rating: TV-PG
- Premise: A "Ninja Warrior" spin-off in which athletes tackle an array of challenging obstacle courses in hopes of advancing to the national finals in Las Vegas, where the winner walks away with a $1 million. (more)