Crashing the Course: National Finals Week 3

Also available on the NBC app

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Appearing:Matt IsemanKristine Leahy
Tags: american ninja warrior, american ninja warrior crashing the course, alex weber host, alex weber crashing the course, nbc digital exclusive, watch american ninja warrior, National Finals Week 3
S8 E135 minWeb ExclusiveReality and Game ShowPrimetime