Exploring the idea of The Mandela Effect, in which large groups of people remember an alternate history, Mulder and Scully find out how the X-Files themselves may really have originated.
Did You Know?
In further reference to the Twilight Zone quote by Rod Serling
made earlier in the episode, the final fadeout was a camera rising shot, from Mulder and Scully sitting on a couch, to the night time stars. This is the same way all Twilight Zone shows would end. See more
At some point, Mulder starting with the concept of another universe, says that we could live in another dimension. But this is not the same thing. As we know, there are four dimensions but as theoretical science goes there could be eleven. Nevertheless, no matter how many they are, they all happen here not in another universe. So we are already living in them the same way we are living in the four others but without feeling them. See more
Edited from The X-Files: Pilot