In a 2011 interview Braga said that he considered "Threshold" to be his worst episode.
What episode of Voyager are you happiest with to this day and which one would you just as soon forget?
Braga: Of course, the one I'd just as soon forget is called "
Threshold." That's the one in which Janeway and
Paris turn into lizards. That's a real low point. I was trying something. I don't want to get into what I was trying to do, but it didn't quite work. It was my homage, I guess, to David Cronenberg's
The Fly, but it really backfired on me. It was poorly executed by me. I think very fondly of episodes like "
Timeless" or "
Deadlock." I thought "Deadlock" was classic
Star Trek and whatever crew would have been in that episode, it would have been a good episode of
Star Trek. "Timeless" was specific to
Voyager. It couldn't really have been done on any of the other shows. I thought it was really good. We tried to make
Voyager more epic and so we did a series of two-parters, like "
Dark Frontier," which I thought were really cool. And a special favorite to me was "
Someone to Watch Over Me." That was really a very simple character piece, with no space battles and not much science fiction at all. It showed
Star Trek could be funny and touching.
http://www.startrek.com/article/brannon-braga-from-tng-to-terra-nova-part-1