The X-Files on FOX

Even as Scully's genetically altered DNA brings her closer to the brink of death, government agent Michael Kritschgau helps Mulder in the search for a cure, partly to atone for his own involvement with perpetrating the alien hoax.

Aware his presence only puts Scully and William in jeopardy Mulder once again disappears ? but at least this time it is his own choice. A frustrated Agent Doggett tries to find Mulder so he can proceed with his investigation against Deputy Director Kersh, but Scully and Skinner finally convince him to drop his case.

The X-Files has been shut down and Mulder and Scully are separated. Scully finds herself teaching classes at the FBI Academy in Quantico, Virginia, while Mulder is assigned to surveillance duty.

When a terrorist bomb destroys a building in Dallas, Texas FBI agents Fox Mulder and Dana Scully are drawn into a dangerous conspiracy surpassing anything they've ever encountered.

The prophetic words of the alien Bounty Hunter resonate throughout the fourth season, beginning with the near death of Mulder's mother and the murder of the mysterious X.

After Mulder's disappearance, Scully returns to FBI headquarters to find Special Agent John Doggett heading up a FBI manhunt for her partner.

After Mulder's disappearance, Scully returns to FBI headquarters to find Special Agent John Doggett heading up a FBI manhunt for her partner.

Aware his presence only puts Scully and William in jeopardy Mulder once again disappears ? but at least this time it is his own choice. A frustrated Agent Doggett tries to find Mulder so he can proceed with his investigation against Deputy Director Kersh, but Scully and Skinner finally convince him to drop his case.

Mulder is missing and assumed dead…although Scully experiences a vision in which he is still alive.

As Mulder lies in a neurological unit, his brain under attack by a deadly onslaught of electrical impulses, Scully struggles to decipher strange symbols covering a spacecraft found submerged off West Africa's Ivory Coast. But the connection between these two phenomena is just the first of many challenges the agents are destined to confront.

Two agents from vastly different backgrounds join forces to solve cases the FBI has labeled X-Files.

Mulder is missing and assumed dead…although Scully experiences a vision in which he is still alive.

Even as Scully's genetically altered DNA brings her closer to the brink of death, government agent Michael Kritschgau helps Mulder in the search for a cure, partly to atone for his own involvement with perpetrating the alien hoax.

As Mulder lies in a neurological unit, his brain under attack by a deadly onslaught of electrical impulses, Scully struggles to decipher strange symbols covering a spacecraft found submerged off West Africa's Ivory Coast. But the connection between these two phenomena is just the first of many challenges the agents are destined to confront.

Two agents from vastly different backgrounds join forces to solve cases the FBI has labeled X-Files.