7
/10
William Mulder is a fictional character portrayed by Peter Donat in the TV series The X-Files.
In the first episode they appeared in, titled Colony (season 2), they were 67 years old.
They appear in 7 episodes out of a total of 217 aired

William Mulder

by Peter Donat

character

Episodes7

  • 8.7
    /10

    Colony
    episode S2.E16 february 1995
    When someone sends Mulder and Scully obituaries showing three separate but identical men apparently having died, the agents investigate, but things take an unexpected turn when Mulder receives a call from his father.
  • 8.7
    /10

    End Game
    episode S2.E17 february 1995
    Mulder is forced to make an impossible choice, when the alien bounty hunter gives him an ultimatum - Scully's life for Samantha's.
  • 9.1
    /10

    Anasazi
    episode S2.E25 may 1995
    Mulder receives an encrypted computer tape containing the defense department's top secret files on extraterrestrial life and becomes a target. Scully takes him to a Navajo family that unearthed a buried secret to decipher the files.
  • 8.6
    /10

    The Blessing Way
    episode S3.E1 september 1995
    A furious pursuit of Agent Mulder is underway, and more importantly, the government wants the data tape he carried. Agent Scully, against all odds, searches to uncover his whereabouts, persisting that he is alive when all others deny it.
  • 8.6
    /10

    Talitha Cumi
    episode S3.E24 may 1996
    After his mother suffers a stroke under strange circumstances, Mulder searches for a strange, benevolent alien man that possesses miraculous healing powers.
  • 8.8
    /10

    One Son
    episode S6.E12 february 1999
    Everyone prepares in their own way for the alien rebels' bloody endgame after which nothing will ever be the same again. Mulder and Scully try their best to stop the bloodshed and save Spender's mother.
  • 8.2
    /10

    The Truth
    episode S9.E19 may 2002
    Mulder's return leads to him being tried for murder before a military tribunal where he seeks to prove the very existence of an alien conspiracy and justify the maintenance of the X-Files.