Sci-Fi shows have been a fixture in popular culture ever since the mid 1960s, when science fiction first hit our television screens. Today, the genre continues to attract new fans with new re-runs and new shows pulling in kids and adults alike. So what are some of the best Sci-Fi shows and which should you be watching? 1. The Twilight Zone One of the longest running and iconic shows to date, The Twilight Zone combined extraordinary events with ordinary people, then ended with a strong moral. The show was narrated by Rob Serling and helped to launch the careers of many. Today you can find the whole series on Netflix. 2. Star Trek Star Trek managed to transcend the sci-fi world to become one of the greatest soap operas of all time. It also contained enough grit and suspense to capture the attention of vast audiences. Though fans have loved its spin-offs, the original Star Trek is still a relevant and popular show today. Today merchandise from the show continues to sell well and the annual Star Trek convention attracts thousand of visitors each year. 3. Doctor Who Who doesn’t love a Time Lord who spends his time defeating space…