What were they thinking when they cancelled these? Welcome to WatchMojo.com, and today we’re counting down our picks for the Top 10 Sci-Fi Shows That Deserve a Second Chance.

For this list, we’re taking a look at those science fiction series we regularly find ourselves re-watching in the hopes of a return to the small screen. We know there’s sometimes a fine line between fantasy and science fiction, but for this list, we’re solely focusing on the sci-fi genre, which means shows like Believe, which are fantastic in their own right, won’t be eligible.