Sci-fi is a natural fit for spinoffs, this but not every new series can be ratings hit.
Star Wars and Star Trek are arguably the best space operas ever made, but what are some of the other great sci-fi epics?
Not all of the best TV shows stormed out of the gates. Here are 10 great programs that struggled during their first season
'Babylon 5' creator and writer J. Michael Straczynski is working on a script for a film reboot of his space epic - and aiming for a 2016 production start.
J. Michael Straczynski talks about what it would take to get a Babylon 5 movie made.