The Lost Art of Forehead Sweat
S11, E4: While exploring the idea of the Mandela Effect, in which groups of people remember an alternate history, Mulder and Scully discover how the X-Files may have originated.

S11, E4: While exploring the idea of the Mandela Effect, in which groups of people remember an alternate history, Mulder and Scully discover how the X-Files may have originated.