The 10 best sci-fi TV shows of the 2000s

Let's all meet up in the year 2000! It was a tumultuous decade for the world, but we can't deny that the new millennium brought with it some fantastic sci-fi TV shows. We're continuing our march through time to rank the best sci-fi TV shows of every decade. We started way back in the 1950s and since then we've barrelled through the 1960s , 1970s , 1980s , and 1990s , but now it's time for Y2K to hit. This was a time in Hollywood when visual effects tricks and technology started trickling down to television, and the results were some damn fine sci-fi TV. We were blessed with a beautiful blend of new ideas and reboots of classic franchises that pushed the boundaries of the genre. So, let's gas up the time machine and venture boldly into this alluring list of the 10 best sci-fi shows of the 2000s. Follow along and see how many of your must-watch series made the final countdown! 10. "Invader Zim" "Invader Zim" Theme Song (HQ) | Episode Opening Credits | Nick Animation - YouTube Watch On Original Air Dates: 2001-2006 | Seasons: 2 | Cast: Richard Horvitz, Rosearik Rikki Simons, Andy Berman, Melissa Fahn Doom! We had to add one quirky animated sci-fi series onto our list, as this was the decade when more mature animated projects rose to their prominence on channels like Nickelodeon and Cartoon Network’s Adult Swim. …