The best episodes of The X-Files make it clear just why the show was so successful and enjoyed such longevity, from "Triangle ...

With Rob Lowe: "X-Files, this is about extraterrestrials. How long can it go? It's a good pilot but you're either going to see the aliens or [not]. I wasn't interested in conspiracy theories ...

When it comes to the best sci-fi shows on TV, it's hard not to think ofThe X-Files. For a total of 11 seasons—including two ...