"Within" is the eighth season premiere of the science fiction television series The X-Files. The episode first aired in the United States on November 5, 2000, on the Fox Network. It was written by executive producer and series creator Chris Carter, and directed by Kim Manners. The episode earned a Nielsen rating of 9.5 and was watched by 15.87 million viewers, marking a slight increase from the previous season's finale "Requiem". "Within" was largely well-received by critics, although some fans felt alienated by the addition of Robert Patrick to the cast.