I love the part with the chair!
An episode of the program Samurai Spirit where Kyokushin Karate practitioner and professional fighter Nicholas Pettas is exploring traditional Japanese budo. This one is about Aikido and takes the usual scepticism from people who see it for the first time and say its fake, and give a bit of a scientific explanation to it.
Part 1
Part 2
Part 3
Part 4
Part 5