Star Trek is the greatest sci-fi franchise ever because of the lessons it imparts to its audiences, a philosophy that's at odds with many of its contemporaries.
Sci-fi is a tough genre to crack on TV, if only because many shows don't get the time to blossom. Here are some great sci-fi shows canceled after one season.
David Benioff, D.B. Weiss, and Alexander Woo are returning as showrunners of 3 Body Problem season 2, which they say will take the story to its epic conclusion.