American Ninja Warrior - Season 4 : Episode 21
2012-05-20
- Reality
Follow competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those that successfully complete the finals course in their designated region move on to the national finals round in Las Vegas, where they face a stunning four-stage course modeled after the famed Mt. Midoriyama course in Japan. The winner will take home a grand prize of $1 million.
