POPSUGAR Entertainment The X-Files Buzz Brainteaser by Entertainment 9/26/07 0 Shares Like us on Facebook Welcome to Buzz Brainteaser, the trivia feature on BuzzSugar! Every weekday I'll test your knowledge about TV shows, music and movies. If you enter in the correct answer, you win points! On "The X-FIles" what was the first name of Mulder's sister? Read More Buzz BrainteaserThe X-FilesTV The X-Files X-Files Alums Have Joined the Reboot! Here's the Cast So Far It's Official! The X-Files Will Return as a Limited Series What to Netflix: New DVD Tuesday X-Files: I Want to Believe: Sadly, a Disappointment Get the scoop with our daily newsletter A-Listers TV Movies Young Hollywood Sign up with By signing up, I agree to the Terms and to receive emails from POPSUGAR.