FBI special agents investigate unexplained cases known as `X-Files'. Though the government is convinced that the outlandish reports are false, conspiracy theorist Fox Mulder and realist Dana Scully, for most of the series, stop at nothing to prove that "the truth is out there."
Sceptical agent Dana Scully is assigned a new partner - Fox 'Spooky' Mulder - notorious for his fascination with the supernatural.
Mulder and Scully investigate the mysterious case of a military test pilot who disappeared after taking part in secret test flights.
Scully is assigned to track down a serial killer whose victims were all killed inside locked rooms.
Mulder becomes obsessed with investigating a case that closely parallels an encounter he experienced as a child.
Mulder and Scully track a legendary creature that has roamed the New Jersey countryside for over 40 years.
Mulder and Scully investigate the deaths of men believed to have been killed by a powerful psychokinetic force.
On Halloween, Mulder and Scully investigate the death of a corporate executive who may have been murdered by an AI computer.
When a team of geophysicists stationed at a remote Alaskan outpost are killed by a parasitic alien life form, Mulder and Scully are called in.
When a space shuttle mission is sabotaged, Mulder suspects an alien spirit may inhabit the body of a former Gemini astronaut.
Scully and Mulder investigate a possible UFO crash site which Mulder believes the government is trying to cover up.
Mulder suspects supernatural involvement in two identical murders committed at exactly the same time on different coasts.
Mulder and Scully are called in to investigate cases of seemingly spontaneous combustion.
Upset by a death in her family, Scully becomes entangled in the machinations of a serial killer on the loose and a murderer on death row.
A religious sect becomes the prime suspect in a murder spree.
An injured FBI agent appears to be possessed by a criminal he shot, and Scully herself is in danger.
A crime spree appears to be the work of a cold-blooded killer who was believed to have died in prison.
Mulder and Scully investigate a UFO sighting in Tennessee, but their witness changes his story. Probing further, they find themselves up against a formidable foe.
The agents investigate a ministry led by a man whose son seems to possess the power to heal - and to kill - with the touch of his hand.
Mulder and Scully track a wolf-like creature linked to Native American legend.
A group of loggers working in a remote forest unearth thousands of deadly insect-like creatures that paralyse and cocoon their victims.
A supernatural killer whom Mulder helped to imprison is released on parole, and a deadly game of cat-and-mouse begins.
An 8-year-old girl is the prime suspect in a series of bizarre, seemingly unrelated deaths.
Top scientists at an aeronautics research lab die under mysterious circumstances, with a mentally handicapped janitor the only other person around.
Working on a tip-off from Deep Throat, Mulder and Scully discover a strange case involving the cloning of extra-terrestrial viruses.