The X-Files: 4x21
Zero Sum
After a swarm of bees mysteriously kill a postal worker in an enclosed restroom, Assistant Director Skinner covers it up by destroying the evidence. In order to complete the task he poses as Agent Mulder, however his deception backfires. When Mulder finds out and confronts him, Skinner reveals that he is working for the Cigarette-Smoking Man in order to obtain a possible cure for Scully’s cancer.
4 - 2Home Oct. 11, 1996
4 - 3Teliko Oct. 18, 1996
4 - 4Unruhe Oct. 27, 1996
4 - 5The Field Where I Died Nov. 03, 1996
4 - 6Sanguinarium Nov. 10, 1996
4 - 7Musings of a Cigarette Smoking Man Nov. 17, 1996
4 - 8Tunguska (1) Nov. 24, 1996
4 - 9Terma (2) Dec. 01, 1996
4 - 10Paper Hearts Dec. 15, 1996
4 - 11El Mundo Gira Jan. 12, 1997
4 - 12Leonard Betts Jan. 26, 1997
4 - 13Never Again Feb. 02, 1997
4 - 14Memento Mori Feb. 09, 1997
4 - 15Kaddish Feb. 16, 1997
4 - 16Unrequited Feb. 23, 1997
4 - 17Tempus Fugit (1) Mar. 16, 1997
4 - 18Max (2) Mar. 23, 1997
4 - 19Synchrony Apr. 13, 1997
4 - 20Small Potatoes Apr. 20, 1997
4 - 21Zero Sum Apr. 27, 1997
4 - 22Elegy May. 04, 1997
4 - 23Demons May. 11, 1997
4 - 24Gethsemane (1) May. 18, 1997