I'm not sure what's harder to watch. A Hapkido demo where the uke's are unnecessarily screaming in pain, an Aikido demo where the uke flies through the air just by being looked at or one of the gymnastic karate demos that look like an audition for the Power Rangers.
I know a couple of Hapkido guys and their technique is very good. It reminded me of rough Jujutsu, for obvious reasons. I remembered the boys from Fight Quest went to Korea and trained in Hapkido and I thought it was pretty interesting. Found some of the episode on Youtube: