The X-Files Subject is a popular American science fiction drama television series that aired from 1993 to 2002. The show follows FBI special agents Fox Mulder and Dana Scully as they investigate unsolved cases involving paranormal phenomena. The show's main focus is on the investigation of ALIEN life forms, or ETS, and the government's cover-up of their existence. The term 'The X-Files Subject' refers to the show's main theme of extraterrestrial life.