I've got such a soft spot for it, because it was one of the first semi-professional shows I ever did as a kid, and when Foy came out to install the fly rails, I just remember being mystified at how complicated it all was and how easily things might go wrong. Thankfully, we made it through the run without any significant flubs.
There are MANY videos of Peter Pan mishaps, but to hear "you're flying!" -- that's hilarious!