And so it all comes down to this: the original Star Trek vs. the British time travel epic Doctor Who in our March TV Madness championship. And really, was there any other way this could end? Voting is now open for our final, deciding poll, so make your choice as to which of these iconic behemoths deserves the title of …

Which science fiction classic will our second Final Four match-up to take on the original Star Trek, in our March TV Madness championship? Will it be the show's much-lauded, long-running successor Star Trek: The Next Generation? Or will it be the beloved, ludicrously long-running British behemoth that is Doctor Who?…

The Final Four is now set, in our quest to find the greatest science fiction and fantasy TV show of them all. And today, you'll be voting on the first of two titanic semifinal match-ups. The X-Files vs. the original Star Trek: who ya got!? Also, Firefly, Buffy the Vampire Slayer, and the rest finally put in an…

We've now reached the Elite Eight in our quest to find the great sci-fi and fantasy TV shows of all time. We've got some fierce match-ups for you to vote on today: Star Trek vs. Fringe! The X-Files vs. Game of Thrones! Doctor Who vs. the BSG reboot! The Twilight Zone vs. Star Trek: The Next Generation! The polls are…

We've reached the Sweet Sixteen in our quest to find the greatest sci-fi and fantasy show of all time. It's time for you to vote and to determine the winners of fierce match-ups including Fringe vs. MST3K, The Twilight Zone vs. Quantum Leap, and Star Trek vs. The Walking Dead!

The first round of our tournament to determine the best sci-fi and fantasy show of them all is now in the books, and 32 teams are left to battle it out for the title. Vote now and decide the bracket fates of Doctor Who, The X-Files, Twilight Zone, Fringe, Lost, Game of Thrones, both Battlestar Galacticas, three Star…

On Tuesday, you voted on the first 32 of the shows in our tournament, and now it's time to decide the rest of the first round. You determine the fates of Doctor Who, Star Trek: The Next Generation, Lost, Babylon 5, Farscape, both Battlestar Galacticas, and many more! The polls are open until midnight Pacific time…

It's March, which means it's time once again for the most important tournament of our age: io9's March TV Madness. Yes, after crowning the best and worst sci-fi movies of all time, this year we turn our attention to television, as 64 of the best sci-fi and fantasy shows ever made square off in our bracket. It's time…