Host of NBC's 'American Ninja Warrior' Akbar Gbaja-Biamila stopped by the studio yesterday to break down the semi finals of the hit show. If you've never seen 'Ninja Warrior' it's pretty insane. We're talking some of the best athletes in the world dominating obstacle course like never before. Akbar of course spent many years in the NFL and is quite the athlete himself but even he can't believe how tough these courses are! Check out the full interview below and catch the next episode of ANW Monday night at 8/7c!