You list TV shows that didn't even last one full season, but you ignore the longest running sci-fi series on TV? Stargate SG1 (and Atlantis) are among the best shows on TV. Despite the cast changes over the years, the story lines, characterizations, and overall show integrity have never suffered. For shame, EW, for dissing Stargate for 10+ years. — Cricket

Of course, Stargate. It's like not inviting a grandparent to their own 100th birthday party. — Anonymous