The X-Files (1993)

The Post-Modern Prometheus - S5-E5

[After spilling coffee on his lap.]
Mulder: Great, now my crotch will be up all night.

Trivia: Scully's father, Scully's older brother, and the man Mulder thought was his biological father were both named William. (The father who raised Mulder went by "Bill, " as did Scully's brother.) Mulder's actual biological father, Cancer Man, was played by William B Davis (who also goes by "Bill"). Scully and Mulder's son was also named William (before being adopted and having his name changed to Jackson).

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Question: Was the Cigarette Smoking Man Mulder's biological father?

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