American Ninja Warrior - Head-to-head
Tyler Yamauchi, left, goes up against Ben Behrends in "American Ninja Warrior."
As featured on
“Even though you see head-to-head races on ('American Ninja Warrior') you’re not competitors; you’re really friends,” Scott Behrends, a Cedar Falls resident says. “What’s cool is when you see other people advance and do things that no one thought possible."
