Welcome To The “Original” Ninja Warrior Course In Japan! It’s the world’s most difficult obstacle course – a test of strength, agility and endurance – a course so hard that in the first 23 competitions, only 3 Athletes had ever … Continue reading “Ninja Warrior!” Behind The Scenes From Tokyo’s Original Course! Olivia Munn! Alison Haislip! Kevin Pereira! Sara Underwood!