8 Sci-Fi Shows Without a Single Flaw

It's rare enough to run into a sci-fi show that's genuinely great, but to find one that's virtually devoid of any sort of flaw? Now that's a rarity without equal. This is a genre that lends itself perfectly to highly ambitious premises, and that ambition inevitably results in at least a few problems most of the time. But on particularly noteworthy occasions throughout history, there have been sci-fi shows which have proven that it's very much possible for the genre to produce something that's genuinely perfect.