Right, I forgot! Joss is a bastard!
A magnificent bastard, but a bastard nonetheless.
(Of course what Dr. Horrible should have done is grabbed the freeze ray and stopped time for Penny so the hospital guys could get to her effectively sooner. Unless the ungood sound was a breaking entirely sound rather than a wearing off sound, which is possible and which he would most likely have known.)
Also, I have got to get me some goggles. And I like the groupies very much.
I'm'a go watch the whole thing again now.