The X-Files: Season 5, Episode 1

5 - 1: Redux (1)

As Mulder takes in the words told to him by Michael Kritschgau, that extraterrestrial life is nothing but a hoax, he is contacted by Kritschgau telling him that someone may be watching Mulder's apartment. Later, Mulder arrives at Scully's apartment, informing her that the man who was watching Mulder for someone at the FBI is now dead. The two work around the clock in order to connect the dots to a mole inside the Bureau.