 " Within " first aired on Fox on November 5 , 2000 . The episode earned a Nielsen household rating of 9 @.@ 5 , meaning that it was seen by 9 @.@ 5 % of the nation 's estimated households . The episode was viewed by 9 @.@ 58 million households and 15 @.@ 87 million viewers . The episode marked an 11 % decrease from the seventh season opener , " The Sixth Extinction " , but a slight increase over the seventh season finale " Requiem " , which was viewed by 15 @.@ 26 million viewers . As soon as both " Within " and Without " were completed , Carter screened them at the Academy of Television Arts and Sciences . The two were played back @-@ to @-@ back " like a feature film " , according to Patrick . Fox promoted the episode with the tagline " The new case is a manhunt . The new agent is a mystery . The new X @-@ File is Mulder . " The episode was later included on The X @-@ Files Mythology , Volume 3 – Colonization , a DVD collection that contains episodes involved with the alien Colonist 's plans to take over the earth . 
