On a solo assignment out of town, Scully meets a man whose tattoo does not want to share him—especially not with Scully.
Fear for Scully's health sends Mulder to investigate the bizarre circumstances that may explain her mysterious abduction two years ago, while Scully takes a more practical course to quell her illness.
A murder in a Jewish community leads to the deaths of the killers, forcing Mulder and Scully to determine whether vengeance or larger forces are at work.
The mysterious assassination of a high-ranking military official has Mulder and Scully racing against the clock to stop a seemingly unstoppable—and invisible—assassin.
Scully and Skinner attend a suspicious Senate hearing, while Mulder and Krycek face off in a Russian gulag.
Agent Mulder is haunted by an old case in which young girls were killed and hearts cut from their nightgowns. Soon Mulder becomes suspicious when the killer taunts him with the idea that one of his victims may have been Samantha.
"El Mundo Gira"
Deadly rain in a migrant workers camp sends Agent Mulder and Scully on the trail of a mythical beast—El Chupacabra.
The disappearance of a man's body from a hospital morgue leads Mulder and Scully to investigate the strange circumstances surrounding the man’s death. However, for Scully it will lead to a horrifying revelation.
FBI Agent Mulder’s search for an informant inside a cult compound leads Scully and him to one of the cult leader’s wives. What they soon discover is an unexpectedly close connection with the woman.
Bizarre murders in a hospital's plastic surgery unit lead Mulder and Scully to suspect a supernatural force may be responsible.
"Musings of a Cigarette Smoking Man"
Mulder, Scully and Byers meet with Frohike, where he details what may have been Cigarette Smoking Man’s real life.
A diplomatic courier carrying deadly cargo involves Agents Mulder and Scully in a dangerous web of intrigue, which leads Mulder on a trip to Russia.
Pursued by an Alien Bounty Hunter, Jeremiah Smith (Roy Thinnes) takes Mulder to a farm where he finds several girls who are clones of his sister.
In a small, otherwise peaceful town, the agents investigate the death of an infant with disturbing birth defects, and the trail leads to a clan of inbred, genetic mutants.
Mulder and Scully are called in to investigate the unexplained deaths of several African and African-American people whose skin color has turned white as the result of either a rare medical disorder or a bizarre curse.
Agents Mulder and Scully investigate a group of bizarre kidnappings in which the only clues are inexplicable photographs. But when Scully is the next intended victim, Mulder must get into the killer’s head.
During a difficult time in assistant director Skinner’s life, he meets a woman in a bar and spends the night with her. The next morning, the woman is dead and he is accused of murder. Agents Mulder and Scully join the investigation to clear their supervisor’s name. As they unravel the threads of a conspiracy, they also learn more about Skinner’s personal affairs.
When a series of mysterious deaths and disappearances are reported near a lake in a small town, Agents Mulder and Scully are called in to investigate. With local folklore of a killer sea serpent running rampant amongst the locals, the agents must take their search for the truth to the water.
As the agents investigate a series of murders committed by ordinary citizens angered after seeing illusory images, Scully's trust in Mulder is put to the ultimate test.
Agents Mulder and Scully search for a man who seems to possess strange powers, which leads to the discovery of a dangerous secret from Mulder’s past. The secret could bring Mulder and Scully to the brink of exposing the truth about alien existence.