An old sensei demonstrates the power of his ki by kicking his disciples' asses without touching them. But doubts must have been expressed because he offers $5,000.00 $ to anyone who can beat him. Here's the YouTube clip showing his demonstration with his students and his battle with an MMA (Mixed martial Arts) guy.
I've read somewhere that the sensei's style is called Bullshit-do. Bada Boum!