I've always been a sci-fi geek, and I've always loved it. It's my favorite genre of all. The irony of ironies is that, in my early career, I just really never worked in it. "Star Trek" was very interested in me, partially because I did "From the Earth to the Moon," and I was really interested in them, but the timing just never worked out.

And then, what I hope will happen at the end is that there will be a big enough springboard that, if we chose to go for a second season, we would have one. But, there will be none of those maddening teases that we're going to tell you the answers and then we don't tell you the answers. That gave NBC the idea of making it a mini-series.

What we're really trying to tell, even though it's very much a genre show, is a very human story. Even in this heightened situation, it still comes down to people being people, and dealing with people as people. It really is about the seven people in that town.

Suddenly, I realized how tough trying to structure a story like this is. It was a lot of work. The one big advantage that we had was that we had eight scripts written before we started shooting, or even started casting. We had a really good opportunity to look at it and figure out where we were going to go and how to do it. Once we got a cast, which I love, then we started doing some revisions to make sure that they fit into it.

I ended up working on "Chicago Hope" and other things, but always with the idea that, eventually, I would want to take what I'd learned in character drama and try to apply that to the genre that I love, which is science fiction and "The Twilight Zone" type mysteries.

I feel confident that it will always keep everybody guessing, and yet not in that weird, maddening way where it's like, "Oh, come on, guys!" I think you will be freaked out by the end. I really do. I don't think you'll see it coming at all.

Only in Southern California do camping grounds actually have wifi, so I was sitting in my tent and I started reading it on my computer, and I couldn't put it down. More importantly, I kept getting up in the middle of the night going, "Oh, this is cool," so I pitched them an idea that they seemed to like.