I found a video of most of it:
Couldn't see the part you were referring to, so I suspect the poster has edited it out.. or dropped the camera! It must have been quite a moment if it caused dear old Brendan to go quiet!!!
Rich is clearly excellent and produces a great display in an awesome aircraft - although I have to say a 12 minute slot with
that much tumbling is a bit OTT - no wonder he had a moment. I'm not sure why you'd work yourself that hard. I wish such displays contained a few more classic figures. It would be just as engaging for the audience and give the pilot a break from such high gradient manoeuvres that can and do bite...