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."
Scully discovers that even those nearest to her have betrayed her. She continues her search for Mulder but pays a terrible price.
Mulder and Scully unearth the dark secret that Mulder's father was protecting him from, and attempts are made to eliminate the agents.
Mulder and Scully investigate four deaths from lightning in the same town and discover that it does not strike at random, but with a deadly purpose.
In their hunt for a serial killer, Mulder and Scully try to enlist the help of an insurance salesman with psychic powers.
Mulder and Scully investigate the possibility of reincarnation when enemies of an executed prisoner begin dying.
Mulder and Scully investigate the case of a serial killer who removes all the fat from his female victims.
During an investigation at a veteran's hospital, Mulder and Scully uncover a series of bizarre deaths and a quadruple amputee with a grudge.
Does a woman named Lucy have a psychic link with a young kidnap victim, or does she know more than she is telling? Yet again, Mulder and Scully cannot agree.
A tape supposedly showing the autopsy of an alien leads Mulder to investigate experiments carried out by the Japanese government.
Mulder searches for the Japanese doctor in charge of the mysterious being he saw loaded onto the quarantine car of the train.
Mulder and Scully attempt to protect a boy with stigmata whose death could trigger the coming of Armageddon.
When Mulder and Scully visit a town under attack from killer cockroaches, Mulder questions whether they come from this planet.
The death of several teenagers in a small town is attributed by an astrologist to a rare planetary alignment.
Mulder and Scully are investigating a jailed killer who claims to have been possessed by a gargoyle which forced him to kill, when a copycat murder occurs.
Mulder and Scully investigate a World War II aircraft discovered deep under the Pacific Ocean, whose pilot appears to still be alive.
Mulder uncovers more clues about a government cover-up involving an alien entity and a sunken World War II aircraft.
Mulder and Scully play a deadly game with a killer who can control minds, and who targets Mulder. Can he resist?
Mulder and Scully investigate a series of bizarre murders in a museum which Mulder believes are the result of an ancient curse.
Mulder and Scully investigate a deadly game in Chinatown, uncovering a secret room, a cold-blooded surgeon and a lottery from hell.
Scully meets a famous author who is researching a book about an alleged UFO encounter that she and Mulder investigated.
After FBI assistant director Walter Skinner wakes up in bed with a murdered prostitute, Mulder and Scully set out to prove his innocence.
Mulder suspects that a beast similar to the Loch Ness monster is responsible for the deaths of several people who live near a large lake.
When normal people turn into homicidal maniacs, the only link is that they watched a lot of TV. Mulder suspects a plot to manipulate behaviour.
When his mother suffers a stroke, Mulder searches for an alien who possesses miraculous healing powers.