24/B4: Grant McCartney

S1 E607/10/16
Also available on the NBC app

Follow Grant McCartney on this NBC digital exclusive as he gets ready for his Los Angeles Final run on American Ninja Warrior.

Tags: american ninja warrior, ninja warrior, grant mccartney, 24b4, nbc digital series, ninja warrior digital series, ninja warrior bts, ninja warrior behind the scenes, ninja warrior 24b4, Los Angeles Finals
S1 E63 minWeb ExclusiveReality and Game ShowWebExclusive