[yt]an05g99QPnY[/yt] It's a little after 5 minutes in. I'm not sure it's a KO as per the title (quoted above) but it's surely a good solid knockdown. The TKDer keeps his hands held low rather than up protecting his head. That's often used as a criticism of it...but despite a serious reach disadvantage, he surely scored here! I haven't watched it yet, but I understand the ninjas had less luck with him.