I watched every episode of American Ninja Warrior this season. After the finale, in which no one finished the 3rd of 4 stages, I was annoyed. There was very little payoff for my investment of time. In addition, NBC had to build up one of the obstacles in the middle of stage 3, so they had at least something to narrate. Would anyone get over the "fingertip climb". Well, 23 out 24 failed before they got there, and one guy got through that, before falling off on the next obstacle.
I changed my mind after seeing a great article in the Washington Post, by Hank Steuver. Sometime's it's all about the progress you make towards a goal, and getting in the arena.