They have very nicely explained how they will have a 2nd season and more, all the way up till dec 2016. It was something early on I was wondering how they would keep it going after April 29th.
It seemed that as Frost had had so many flashforwards then he would have seen the vision of the bike in one of them and known to hit the floor and not wait to be shot.
It was extremely creepy how he sat next to the girl and started talking to her as if he knew her.