POPSUGAR Entertainment The X-Files Buzz Brainteaser by Entertainment 9/26/07 0 Shares Like us on Facebook Sign up for our daily newsletter > Follow us on Pinterest 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 Brace Yourself For New Footage From The X-Files Revival Mulder Who? Robbie Amell Cuddles Up to Gillian Anderson on The X-Files Set Robbie Amell Has Joined the X-Files Reboot! Here's the Cast So Far The X-Files Reboot: The First Set Pictures Will Make You Feel Warm and Fuzzy POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Be in the Know With OurCelebrity and Entertainment Newsletter Personalize Young Hollywood Movies A-Listers TV Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR.