7 Great Sci-Fi Shows That Were Canceled Way Too Soon

Arguably more so than any other genre, sci-fi TV series require a long lifespan of multiple seasons in order to fully flesh out their high-concept storylines, complex characters, and elaborate world-building. The long-running nature of such genre juggernauts as Star Trek, Doctor Who, and The X-Files proves that if a sci-fi series is given the room to grow, then it can evolve into a universally beloved — and highly profitable — property. Unfortunately, the history of TV is littered with promising sci-fi shows that were canceled way before their times.