Best Sci-Fi TV Shows of the 21st Century

In a very sci-fi century, sci-fi television has been pop culture’s constant companion. Here are favorites.

Best Sci-Fi TV Shows of the 21st Century
Photo: Art by Lucy Quintanilla

The existence of the 21st century itself is almost inconceivable. Ask any one who was around in 1999 how they felt about the incoming year 2000 and they’ll be happy to tell you how surreal it all felt. Hell, they may even be nice enough to give you a non-perishable treat from their Y2K bomb shelter.

The fact that we’re even in the 2000s and have been for many years feels like science fiction to begin with. It’s only fitting then that television, a very 20th century innovation, has been at our side the whole time to make sense of it.

Sci-fi TV in the 21st century was both a friendly companion and a bold boundary pusher. Whether it took us to the heights of outer space, alternate universes, or even just around the neighborhood, science fiction stories truly enriched our pop culture landscape. What follows are our ranked choices for the best science fiction shows of the 21st century.

Note: This article was adapted and updated from our previous “Best Sci-Fi TV Shows of the Past 15 Years.”


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