Home / Series / The X-Files / Aired Order / Season 4 / Episode 21
Home / Series / The X-Files / DVD Order / Season 4 / Episode 21

Zero-Sum

Skinner destroys evidence to cover up a woman's death and poses as Agent Mulder to complete the task. Mulder finds out about Skinner's deception and confronts him, and Skinner reveals that he is working for the Cigarette-Smoking Man in order to obtain a possible cure for Scully's cancer.

Deutsch English suomi français Magyar italiano Nederlands język polski русский язык español svenska 大陆简体 한국어
  • Originally Aired April 27, 1997
  • Runtime 45 minutes
  • Content Rating Australia M United States of America TV-14
  • Production Code 4X21
  • Network FOX
  • On Other Sites IMDB
  • Created January 29, 2016 by
    Administrator admin
  • Modified May 9, 2023 by
    rsking
Name Type Role
Howard Gordon Writer
Frank Spotnitz Writer
Barry Greene Guest Star
Allan Gray Guest Star
Sterling McKay Guest Star
Christopher J. Newton Guest Star
Nicolle Nattrass Guest Star
Lisa Stewart Guest Star
Addison Ridge Guest Star
Fred Keating Guest Star
Paul McLean Guest Star
Kim Manners Director