Watch The X-Files Season 4 Episode 21 Online — Zero Sum | Bobina

The X-Files — Season 4, episode 21 watch online

  • TV Series: The X-Files
  • Seasons: Season 4
  • Episode 21: «Zero Sum»
  • Air date: April 27, 1997
  • Running time: 60 min

The X-Files, season 4 episode 21 «Zero Sum»: air date April 27, 1997. Episode overview, season trailer and the cast of The X-Files.

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.

Episodes — Season 4

  1. 1 Episode 1 «Herrenvolk» October 4, 1996
  2. 2 Episode 2 «Home» October 11, 1996
  3. 3 Episode 3 «Teliko» October 18, 1996
  4. 4 Episode 4 «Unruhe» October 27, 1996
  5. 5 Episode 5 «The Field Where I Died» November 3, 1996
  6. 6 Episode 6 «Sanguinarium» November 10, 1996
  7. 7 Episode 7 «Musings of a Cigarette-Smoking Man» November 17, 1996
  8. 8 Episode 8 «Tunguska» November 24, 1996
  9. 9 Episode 9 «Terma» December 1, 1996
  10. 10 Episode 10 «Paper Hearts» December 15, 1996
  11. 11 Episode 11 «El Mundo Gira» January 12, 1997
  12. 12 Episode 12 «Leonard Betts» January 26, 1997
  13. 13 Episode 13 «Never Again» February 2, 1997
  14. 14 Episode 14 «Memento Mori» February 9, 1997
  15. 15 Episode 15 «Kaddish» February 16, 1997
  16. 16 Episode 16 «Unrequited» February 23, 1997
  17. 17 Episode 17 «Tempus Fugit» March 16, 1997
  18. 18 Episode 18 «Max» March 23, 1997
  19. 19 Episode 19 «Synchrony» April 13, 1997
  20. 20 Episode 20 «Small Potatoes» April 20, 1997
  21. 21 Episode 21 «Zero Sum» April 27, 1997
  22. 22 Episode 22 «Elegy» May 4, 1997
  23. 23 Episode 23 «Demons» May 11, 1997
  24. 24 Episode 24 «Gethsemane» May 18, 1997