It was shown on QTV at conventions at least three times, so various recordings from those broadcasts circulate.
The source tape used was not much better than the resulting QTV recordings.
No matter how much people try, it's a bit of a lost cause trying to do anything to improve the video quality.
An interlaced NTSC copy can be obtained here, but it is not a raw transfer and is very dark: link
As I've already said before, I think the best result that can currently be obtained is a de-interlaced
version of Pittreks PAL DVD from 2015, synched with the lossless audio from my VHS recording: