WLTI Extra – American Ninja Warrior Season Finale Livecap September 14, 2015 Posted on September 15, 2015May 14, 2017 by Carl Gordon, Jason and Chico from WLTI cover history on NBC”s American Ninja Warior. Can someone complete Stage 3? and will ANYONE win the $1M prize for Climbing Mt. Midoriyama? Find out HERE as we watch it live!