Quantum Leap, Andor, and Lost are all among the absolute greatest sci-fi TV shows that had truly perfect endings.

Stargate SG-1 star Christopher Judge, who played the Jaffa warrior Teal'c, has just one regret about working on the beloved franchise.

What follows is a Stargate series that takes a radical departure from what fans have come to expect. While the lost city of Atlantis was a central part of the story, it wasn'tburied deep underwater ...

Star Trek has been a sci-fi TV staple for decades, but fans may be just as entertained by a lesser-known intergalactic series ...

Discover 10 captivating sci-fi TV shows with dedicated fanbases that are worth the time investment, including Stargate SG-1, ...