Did I mention it wasn't a show about Lawyers, Doctors, Policeman, Overprivlaged teenagers that complain about their lives or large breasted females in bikini's eating worms and voting people off islands?????
I would argue that even a modest viewership is good enough to keep it on the WB, but I don't know much about that.
Even if it is a season of disjointed plots held together by a weekly comment to the affect of "well we should go find dad after we kill yet another demon in this next town...." it will still be interesting enough to keep me at least watching, as the wife watches "Gilmore Girls" and I can timeshift "House" to 9pm.
It would be great if they deeply meshed the plot of finding their father and their mother's killer into the story on a weekly basis. It may seem like you would run out of material quickly that way, but JJ showed us you can keep a story alive even when all the characters have nowhere to go...
As for the mood and lighting for the show. Deffinately adds to the show in such a way as that I have not seen in a while. Point Pleasent had similar dark subject matter, but everything took place in suburban kitchens, not... ...that... ...scarey.