The FBI continues their frantic search for a computer disk containing information about government knowledge of aliens on earth that is said to de in Agent Mulder's possession. Mulder is assumed dead and Scully is stripped of her credentials because they think she's withholding information.

Mulder and Scully are reunited but forced to go underground to continue their investigation, unsure of who they can trust. Working without the support of the FBI, they discover the truth about Mulder's parents and learn once and for all if Skinner can be trusted.

A series of bizarre lightning deaths brings Mulder and Scully to a Midwestern town. Their prime suspect becomes a teenage slacker who seems capable of creating lightning on demand.

In the course of tracking a serial killer preying upon fortune tellers, Mulder and Scully come upon a man whom Mulder considers a genuine psychic. Reluctant to cooperate with the investigation, the psychic already has visions of how the case will end: with Mulder's death.

A prisoner on death row promises to be reincarnated - and return to kill a list of those who wronged him. When a mysterious death occurs after his execution, agents Mulder and Scully are called in to investigate.

Mulder and Scully investigate the grisly deaths of lonely overweight women who have more than the life sucked out of them by a man who needs their fat cells to survive.

An embittered multiple amputee veteran of the Persian Gulf War acquires the ability to astral project, which he uses to elicit his own particular brand of payback against the Army chain of command.

After a young girl is abducted, a woman who underwent the same ordeal by the same abductor years earlier simultaneously experiences her pain. While the others are convinced the woman played a part in the girl's disappearance, Mulder believes otherwise.

Mulder and Scully unravel another thread in the government's conspiracy to hide the truth about extraterrestrial life when Mulder discovers a video on and alleged alien autopsy.

Mulder discovers that the train carrying an apparent alien/human hybrid is also carrying a bomb planted by an assassin out to destroy the evidence - along with Mulder. Scully is forced to trust a mysterious government figure in order to rescue Mulder from certain death.

Mulder tracks a series of religiously-motivated murders. Each of the victims claims to have been Stigmatic turn out to be frauds, When Mulder and Scully discover a little boy displaying inexplicable wounds of religious significance, they try to protect him from the killer they know will be coming.

Agent Mulder investigates a series of deaths in which the only thing in common they share is that there were cockroaches present.

Mulder and Scully visit a small town to investigate a series of bizarre deaths that coincide, Mulder discovers, with a strange astrological phenomena.

Mulder and Scully investigate a case involving a serial killer who claims to be possessed by a demonic force. The case gets even more mysterious when the killer is apprehended and murders continue.

When a French salvage ship sends a diving crew to recover a mysterious wreckage from World War II, the crew falls prey to a bizarre illness and Mulder and Scully join the investigation.

Mulder brings the fugitive Krycek back to Washington to learn the whereabouts of the alien craft recovered from the Pacific, while Skinner's shooting leads Scully to find who shot her sister.

Mulder and Scully investigate a case with a man who has the power to people to his own will. The suspect uses his abilities to manipulate Mulder into a dangerous end game.

A series of deaths occur when an artifact is brought to Boston from South America. Scully says it could be the result of political terrorism, but Mulder suspects something really 'out of this world'.

The deaths of several Chinese men bring agents Mulder and Scully to investigate. They team up with another agent more accustomed to the language. One thing remains a mystery: why are the victims missing certain internal organs?

When a couple claims to be abducted by aliens, agents Mulder and Scully try to get the truth, but wind up getting different sides of the story - even from the aliens themselves.

When Mulder and Scully's Assistant Director Walter Skinner is accused of murder, the agents try to clear his name. As they unravel the threads of the conspiracy, they learn more about Skinner's personal life.

When a series of mysterious deaths occur in a small lake, the agents Mulder and Scully are calling in to investigate. They have to decide if these incidences are accidental, or is there really a lake serpent named 'Big Blue'.

Agents Mulder and Scully investigate a series of murder committed by normal citizens of a small town. They find out the government is controlling them, via their television sets.

Mulder and Scully search for a man who seems to posses strange powers. This man could prove the existence of alien.