The second season of American Ninja Warrior began on December 8, 2010, in Venice Beach, California where 300 competitors took on the course.
The 15 semi-finalists moved on to the "Ninja Warrior Boot Camp" in the remote California mountains, where they competed in a series of team challenges.
This season was hosted by Matt Iseman and Jimmy Smith, with G4's Alison Haislip as a sideline reporter.
From then on, 5 were eliminated from competition and 10 moved onto Mount Midoriyama in Japan to compete in the season finale for a chance to win $250,000 and be the first "American Ninja Warrior".
* alternate, replaced Levi Meeuwenberg who broke his wrist during a taping of Jump City: Seattle