Out of all the shows in this vein that I've seen, Person of Interest was the only one that managed to maintain its pacing. The key seems to be recognizing the

Out of all the shows in this vein that I've seen, Person of Interest was the only one that managed to maintain its pacing. The key seems to be recognizing the season-long and multi-season arcs, making them both satisfying, but never getting to an "Oh, what do we do next?" point. Well, it and of course Babylon 5. And maybe Lost. I know it gets nerd hate, but I respect it from a show-running perspective.