Ok, I've watched MOST of the series up to this point, on terrestrial TV, but the thing is I've uniformly had some other outside factor distracting me from getting the full picture.
I know this much; this tornado has put the little alien lights in the glades of this town, the sheriff and his wife appear to have been infected, as has the trailer fellow from last night. There was also something about the containment of a contagion and baboons escaping.