It's rare enough to encounter a science fiction TV show that's truly great, and even rarer to find one that, on the whole, deserves to be called "perfect." To find a sci-fi series that doesn't have a single bad episode, however? Now that is a precious occasion that only comes along once in a blue moon. However, there definitely are eight particularly noteworthy sci-fi gems whose every episode is, at the very least, solid.
Bengali (Bangladesh) · 
English (United States) ·