The eight best sci-fi series of all-time according to Rotten Tomatoes

These are some of the highest-rated sci-fi shows on Rotten Tomatoes (Picture: Netflix/ Sky/ Starz)It’s officially Star Wars Day, and there’s no better day than May the 4th to take a deep dive into some science fiction.When you’re looking to escape to another time, world or dimension through your screens, sci-fi is the genre to take you there.Over the decades shows like Star Trek, Doctor Who and Battlestar Galactica have picked up loyal audiences.In more recent years other popu