7 Sci-Fi Shows That Get Better Every Episode, Ranked

There are some sci-fi shows that start off with a bang, are critically acclaimed, and achieve a sizable audience. Everything seems fine, but those same shows end in a quiet whimper. In short, those shows could never stick the landing after a promising start, leading them to be forgotten tombstones in a TV graveyard filled with shows that could have been great, but simply didn't have the mojo and stamina. But that’s not something we want to focus on. What we are more interested in are those sci-fi shows that started off promising and then continued to build on their promise with each episode.