Mulder Disappearance Case

Fox Mulder's abduction by aliens in 2000, his return months later and his firing from the FBI.

It details Fox Mulder's abduction by aliens in the year 2000, which took place during the seventh season. He was returned to Earth, almost dead, a few months later, infected by an alien virus for the second time, and Scully found a way to save him.

Quick Facts

Subject: Fox William Mulder
Primary investigator: Dana Scully

Lore & Background

Mulder's abduction occurred specifically in the year 2000 during the seventh season. Season eight takes place after his abduction, with Scully partnered with John Doggett while she searches for him.

Reader's Guide

The narrative arc involves his capture by aliens, his near-fatal condition upon return, and Scully's successful rescue effort. Following this, the Bureau leadership under Alvin Kersh denied his reinstatement. Mulder was fired for continuing X-Files investigations against orders. Later, after Scully gave birth to William, Mulder went into hiding in New Mexico because Kersh stated his life was in danger.

Did You Know?

On his return, Deputy Director Alvin Kersh, put in charge of the X-Files after the abduction, declined Mulder's application for reinstatement.
He returned to work briefly but was fired for investigating X-Files against orders.