Sometimes, these new shows will premier with a small batch of episodes. This is a safe bet for some studios to see if the show has legs or not. I'm guessing that we may have seen what amounted to a first run trial season. Based on ratings, we should see more episodes but that could be next season maybe. If you can remember, the now famed "Walking Dead" series did the same thing. Now, its freaking everywhere and a super huge hit, although I still think the show is slow and somewhat campy.